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Recent questions in Trigonometric Functions
Questions
>>
CBSE XI
>>
Math
>>
Trigonometric Functions
Find the principal and general solution for the equation $\cot x=-\sqrt 3$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-4
q3
sec-c
difficult
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the principal and general solution for the equation $\sec x= 2$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-4
q2
sec-c
difficult
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the principal and general solution of the following equation $\tan x=\sqrt 3$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-4
q1
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :$\cos 6x=32\cos ^6x-48\cos^4x+18\cos^2x-1$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q25
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\cos 4x=1-8\sin^2x\cos^2x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q24
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\tan 4x=\large\frac{4\tan x(1-\tan^2x)}{1-6\tan^2x+\tan^4x}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q23
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\cot x\cot 2x-\cot 2x\cot 3x-\cot 3x.\cot x$=1
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q22
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove $\large\frac{\cos 4x+\cos 3x+\cos 2x}{\sin 4x+\sin 3x+\sin 2x}$$=\cot 3x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q21
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove $\large\frac{\sin x-\sin 3x}{\sin^2x-\cos^2x}$$=2\sin x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q20
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove $\large\frac{\sin x+\sin 3x}{\cos x+\cos 3x}$$=\tan 2x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q19
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\large\frac{\sin x-\sin y}{\cos x+\cos y}$$=\tan\large\frac{x-y}{2}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q18
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :$\large\frac{\sin 5x+\sin 3x}{\cos 5x+\cos 3x}$$=\tan 4x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q17
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\large\frac{\cos 9x-\cos 5x}{\sin 17x-\sin 3x}=-\frac{\sin 2x}{\cos 10x}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q16
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\cot 4x(\sin 5x+\sin 3x)=\cot x(\sin 5x-\sin 3x)$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q15
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\sin 2x+2\sin 4x+\sin 6x=4\cos^2x\sin 4x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q14
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\cos^22x-\cos^26x=\sin 4x.\sin 8x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q13
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\sin^26x-\sin^24x=\sin 2x.\sin 10x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q12
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\cos(\large\frac{3\pi}{4}$$+x)-\cos(\large\frac{3\pi}{4}$$-x)=-\sqrt 2\sin x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q11
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\sin(n+1)x\sin(n+2)x+\cos(n+1)x\cos(n+2)x=\cos x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q10
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
$\cos (\large\frac{3\pi}{2}+$$x)\cos(2\pi+x)[\cot(\large\frac{3\pi}{2}$$-x)+\cot(2\pi+x)]=1$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q9
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\large\frac{\cos(\pi+x)\cos(-x)}{\sin (\pi-x)\cos(\large\frac{\pi}{2}+\normalsize x)}=$$\cot^2x$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q8
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :$\large\frac{\tan(\Large\frac{\pi}{4}\normalsize +x)}{\tan(\Large\frac{\pi}{4}\normalsize -x)}=\big(\large\frac{1+\tan x}{1-\tan x}\big)^2$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q7
sec-c
difficult
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\cos(\large\frac{\pi}{4}$$-x)\cos (\large\frac{\pi}{4}$$-y)-\sin(\large\frac{\pi}{4}$$-x)\sin (\large\frac{\pi}{4}$$-y)=\sin (x+y)$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q6
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the value : $\tan 15^{\large\circ}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q5-ii
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the value :$\sin 75^{\large\circ}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q5-i
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $2\sin ^2\large\frac{3\pi}{4}$$+2\cos^2\large\frac{\pi}{4}$$+2\sec^2\large\frac{\pi}{3}$$=10$
sat
trigonometry
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q4
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\cot^2\large\frac{\pi}{6}$$+cosec \large\frac{5\pi}{6}$$+3\tan^2\large\frac{\pi}{6}$$=6$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q3
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $2\sin^2\large\frac{\pi}{6}+$$cosec ^2\large\frac{7\pi}{6}$$\cos^2\large\frac{\pi}{3}=\large\frac{3}{2}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q2
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove : $\sin^2\large\frac{\pi}{6}$$+\cos^2\large\frac{\pi}{3}$$-\tan^2\large\frac{\pi}{4}=-\frac{1}{2}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q1
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the value of the trigonometric function $\cot(\large\frac{-15\pi}{4})$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q10
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the values of the trigonometric function $\sin(-\large\frac{11\pi}{3})$
sat
trigonometry
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q9
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the values of the trigonometric function $\tan \large\frac{19\pi}{3}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q8
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the value of the trigonometric functions $cosec (-1410^{\large\circ})$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q7
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the value of the trigonometric function $\sin 765^{\large\circ}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q6
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the values of other five trignometric function $\tan x=\large\frac{-5}{12}$,$x$ lies in the second quadrant
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q5
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Find the values of other five trignometric function $\sec x=\large\frac{13}{5}$,$x$ lies in the fourth quadrant
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q4
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the values of other five trignometric function $\cot x=\large\frac{3}{4}$,$x$ lies in the third quadrant
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q3
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the values of other five trignometric function $\sin x=\large\frac{3}{5}$,$x$ lies in the second quadrant
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q2
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the values of other five trignometric function $\cos x=-\large\frac{1}{2}$,$x$ lies in the third quadrant
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-2
q1
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the angle in radian through which a pendulum swings if its length is 75cm and the tip describes an arc of length 21cm
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q7-iii
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the angle in radian through which a pendulum swings if its length is 75cm and the tip describes an arc of length 15cm
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q7-ii
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the angle in radian through which a pendulum swings if its length is 75cm and the tip describes an arc of length 10cm
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q7-i
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
If in two circles arcs of the same length subtend angles $60^{\large\circ}$ and $75^{\large\circ}$ at the centre,find the ratio of their radii
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q6
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
In a circle of diameter 40cm,the length of a chord is 20cm.Find the length of the minor arc of the chord
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q5
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the degree measures of the angle subtended at the centre of a circle of radius 100cm by an arc of length 22cm (use $\pi=\large\frac{22}{7})$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q4
sec-b
medium
asked
Apr 16, 2014
by
sreemathi.v
1
answer
A wheel makes 360 revolutions in one minute.Through how many radians does it turn in one second?
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q3
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the degree measures corresponding to the following radian measures :- $\large\frac{7\pi}{6}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q2-iv
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the degree measures corresponding to the following radian measures :-$\large\frac{5\pi}{3}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q2-iii
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the degree measures corresponding to the following radian measures:-$-4$ radians
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q2-ii
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
Find the degree measures corresponding to the following radian measures :-$\large\frac{11}{16}$
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-1
q2-i
sec-a
easy
asked
Apr 16, 2014
by
sreemathi.v
1
answer
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