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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
=
−
√
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
=
√
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
6
x
=
32
cos
6
x
−
48
cos
4
x
+
18
cos
2
x
−
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
4
x
=
1
−
8
sin
2
x
cos
2
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q24
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
tan
4
x
=
4
tan
x
(
1
−
tan
2
x
)
1
−
6
tan
2
x
+
tan
4
x
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
2
x
−
cot
2
x
cot
3
x
−
cot
3
x
.
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
cos
4
x
+
cos
3
x
+
cos
2
x
sin
4
x
+
sin
3
x
+
sin
2
x
=
cot
3
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q21
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove
sin
x
−
sin
3
x
sin
2
x
−
cos
2
x
=
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
sin
x
+
sin
3
x
cos
x
+
cos
3
x
=
tan
2
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q19
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
sin
x
−
sin
y
cos
x
+
cos
y
=
tan
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 :
sin
5
x
+
sin
3
x
cos
5
x
+
cos
3
x
=
tan
4
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q17
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
cos
9
x
−
cos
5
x
sin
17
x
−
sin
3
x
=
−
sin
2
x
cos
10
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q16
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
cot
4
x
(
sin
5
x
+
sin
3
x
)
=
cot
x
(
sin
5
x
−
sin
3
x
)
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q15
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
sin
2
x
+
2
sin
4
x
+
sin
6
x
=
4
cos
2
x
sin
4
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q14
sec-b
medium
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
cos
2
2
x
−
cos
2
6
x
=
sin
4
x
.
sin
8
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q13
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
sin
2
6
x
−
sin
2
4
x
=
sin
2
x
.
sin
10
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q12
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
cos
(
3
π
4
+
x
)
−
cos
(
3
π
4
−
x
)
=
−
√
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
(
3
π
2
+
x
)
cos
(
2
π
+
x
)
[
cot
(
3
π
2
−
x
)
+
cot
(
2
π
+
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 :
cos
(
π
+
x
)
cos
(
−
x
)
sin
(
π
−
x
)
cos
(
π
2
+
x
)
=
cot
2
x
cbse
math
class11
ch3
trigonometric-functions
bookproblem
exercise3-3
q8
sec-a
easy
asked
Apr 17, 2014
by
sreemathi.v
1
answer
Prove :
tan
(
π
4
+
x
)
tan
(
π
4
−
x
)
=
(
1
+
tan
x
1
−
tan
x
)
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
(
π
4
−
x
)
cos
(
π
4
−
y
)
−
sin
(
π
4
−
x
)
sin
(
π
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
∘
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
∘
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
3
π
4
+
2
cos
2
π
4
+
2
sec
2
π
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
π
6
+
c
o
s
e
c
5
π
6
+
3
tan
2
π
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
π
6
+
c
o
s
e
c
2
7
π
6
cos
2
π
3
=
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
π
6
+
cos
2
π
3
−
tan
2
π
4
=
−
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
(
−
15
π
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
(
−
11
π
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
19
π
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
c
o
s
e
c
(
−
1410
∘
)
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
∘
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
=
−
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
=
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
=
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
=
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
=
−
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
∘
and
75
∘
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
π
=
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 :-
7
π
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 :-
5
π
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 :-
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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