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Recent questions tagged trigonometry
Questions
Evaluate : $\large\frac{10+2i}{(3+i)(3-i)}\qquad (i=\sqrt{-1})$
sat
math
trigonometry
calculator
asked
Jan 11
by
priyanka.clay6
0
answers
If $i=\sqrt{-1}$, what is the value of $i^{24}+i^{32}$
sat
math
trigonometry
calculator
asked
Jan 8
by
priyanka.clay6
0
answers
If $\sin \theta - \cos \theta = \frac{1}{2},$ then the value of $\large\frac{1}{\sin \theta + \cos \theta} = $
sat
math
trigonometry
calculator
asked
Jan 8
by
priyanka.clay6
0
answers
The length of the shadow of a $60$ feet tall building is $60\sqrt{3}$. What can be the angle of elevation of the Sun ?
sat
math
trigonometry
no calculator
asked
Jan 6
by
priyanka.clay6
0
answers
If $i=\sqrt{-1},$ then what is the value of $(i)^{729}$
sat
math
trigonometry
no calculator
asked
Jan 3
by
priyanka.clay6
0
answers
If $\sin^2 \theta+ \cos^2 \theta = 1$, then what is $\sec \theta$ in terms of $\sin \theta,$
sat
math
trigonometry
no calculator
asked
Jan 1
by
priyanka.clay6
0
answers
If $i=\sqrt{-1},$ then find the value of $(i^{89}+i^{72})^3$
sat
math
trigonometry
calculator
asked
Dec 22, 2019
by
priyanka.clay6
0
answers
ABC is a right angled triangle, right angled at $C$. If $CB= 3\;cm$ and the length are $3cm,\;4 cm\;$ and $5\;cm$, which trigonometric ratio of $\angle A$ is greatest ?
sat
math
trigonometry
calculator
asked
Dec 22, 2019
by
priyanka.clay6
0
answers
If $i=\sqrt{-1}$, then evaluate $(3i+9)(2i-8)$
sat
math
trigonometry
calculator
asked
Dec 19, 2019
by
priyanka.clay6
0
answers
In a right triangle, one angle measures $x^{\circ}$ where $\sin x = \large\frac{4}{5},$ what is the $\cos (90^{\circ}-x).$
sat
math
trigonometry
calculator
asked
Dec 18, 2019
by
priyanka.clay6
0
answers
If $7 \sin^2 \theta + 3 \cos^2 \theta = 4,$ then $\tan \theta=$
sat
math
trigonometry
calculator
asked
Dec 18, 2019
by
priyanka.clay6
0
answers
Jare's house is in front of a $20\;m$ high tower. It cents a shadow on the ground, which is $20\sqrt{3}\;m$ long. What can be the sum altitude ?
sat
math
trigonometry
no calculator
asked
Dec 16, 2019
by
priyanka.clay6
0
answers
If $\cos \theta =\frac{a}{b}$, then $\mathrm{cosec }\; \theta=$
sat
math
trigonometry
no calculator
asked
Dec 16, 2019
by
priyanka.clay6
0
answers
If $i=\sqrt{-1}$, then what can be the value of $(i^{32})^{64}$
sat
math
trigonometry
no calculator
asked
Dec 13, 2019
by
priyanka.clay6
0
answers
Whenever $\cos \theta =0$ and $0 \leq \theta \leq \pi$, the value of $\sin \theta = $
sat
math
trigonometry
no calculator
asked
Dec 13, 2019
by
priyanka.clay6
0
answers
Find the value of $(6-2i)(3-5i)$
sat
math
trigonometry
no calculator
asked
Dec 12, 2019
by
priyanka.clay6
0
answers
What is $i^{128}$?
sat
math
trigonometry
calculator
asked
Dec 11, 2019
by
priyanka.clay6
0
answers
If $i=\sqrt{-1} $ then $(i^2+i)(i^4-i^2)=$
sat
math
trigonometry
calculator
asked
Dec 6, 2019
by
priyanka.clay6
0
answers
A kite is flying at a height 30 m from the ground. The length of the string from the kite to the ground is 60 m. Assuming that there is no slack in the string, find the angle of elevation of the kite at the ground.
sat
math
trigonometry
calculator
asked
Dec 6, 2019
by
priyanka.clay6
0
answers
If $i=\sqrt{-1}$, then evaluate $(7-3i)(7+3i)$
sat
math
trigonometry
no calculator
asked
Dec 3, 2019
by
priyanka.clay6
0
answers
$\begin{align*}\large\frac{(i^3)^{729}}{(i^4)^{64}} = \end{align*}$
sat
math
trigonometry
calculator
asked
Dec 2, 2019
by
priyanka.clay6
0
answers
If $f(y)=\tan y+ \cot y$, then the value of $f(\large\frac{\pi}{4})$ is
sat
math
trigonometry
calculator
asked
Dec 1, 2019
by
priyanka.clay6
0
answers
Which of the following expressions is equivalent to $(6+5i)^3$
sat
math
trigonometry
calculator
asked
Nov 28, 2019
by
priyanka.clay6
0
answers
If $(2+4i)(5-ki)=50$, then the value of $k$ is
sat
math
trigonometry
no calculator
asked
Nov 26, 2019
by
priyanka.clay6
0
answers
In trapezium $ABCD$, if $AB = 9\; cm, DC = 6\; cm$ and $BD = 12\; cm$, then $BO$ is equal to
sat
math
trigonometry
no calculator
asked
Nov 26, 2019
by
priyanka.clay6
0
answers
If $\begin{align*}\frac{\sin \theta + \cos \theta}{\sin \theta - \cos \theta} = \frac{\sqrt{3}+1}{\sqrt{3}-1} \end{align*}$, then the acute angle $\theta$ is
sat
math
trigonometry
calculator
asked
Nov 25, 2019
by
priyanka.clay6
0
answers
In the figure given $\tan a = x$. What is the value of $\cos b$ ?
sat
math
trigonometry
no calculator
asked
Nov 18, 2019
by
priyanka.clay6
0
answers
If $i=\sqrt{-1}$, what is the value of $(i+3)(i-\frac{1}{2})?$
sat
math
trigonometry
no calculator
asked
Nov 18, 2019
by
priyanka.clay6
0
answers
$(i^{100})^{25} = $
sat
math
trigonometry
calculator
asked
Nov 18, 2019
by
priyanka.clay6
0
answers
Elina wanted to build a ramp for her elderly cat, polly, walk up to her bed. She needs the ramp to make a angle with the bedroom floor. How long must the ramp be to reach the top of her bed that is exactly three feet the ground ?
sat
math
trigonometry
calculator
asked
Nov 17, 2019
by
priyanka.clay6
0
answers
For $i = \sqrt{-1}\;$, Evaluate $\frac{7+3i}{7-3i}$
sat
math
trigonometry
no calculator
asked
Nov 4, 2019
by
priyanka.clay6
0
answers
$\cot (-300)=$
sat
math
trigonometry
no calculator
asked
May 28, 2019
by
meena.clay6
1
answer
If $0 < x< \large\frac{\pi}{2}$ and $\large\frac{\cos x}{1-\sin^2x}$ What is the value of $\cos x$?
sat
math
trigonometry
no calculator
asked
May 28, 2019
by
meena.clay6
1
answer
Find the value of $cosec \bigg(\large\frac{2\pi}{3}\bigg)$
sat
math
trigonometry
calculator
asked
May 28, 2019
by
meena.clay6
1
answer
If $i=\sqrt{-1}$ then what is the value of $(i)^{128}$
sat
math
trigonometry
no-calculator
asked
May 10, 2019
by
meena.clay6
1
answer
$\Delta XYZ$ is a right angled triangle , right angled at Y as shown in figure . What is the value of $\sin 60^{\circ}$ if the radius of the sides are $1: \sqrt 3:2$
sat
math
trigonometry
no-calculator
asked
May 8, 2019
by
meena.clay6
1
answer
Solve: $\large\frac{(2+3i)(2-3i)}{1-i}=$
sat
math
trigonometry
no-calculator
asked
May 7, 2019
by
meena.clay6
1
answer
sat
math
trigonometry
calculator
asked
Apr 28, 2019
by
priyanka.clay6
1
answer
What is the length of each side of a square, if its diagonal is 15 ?
sat
math
trigonometry
no calculator
asked
Apr 25, 2019
by
priyanka.clay6
1
answer
Given below is a triangle one of the acute angles is $60^{\circ}$. The base of the triangle is given as 15 cm. What is its height ?
sat
math
trigonometry
calculator
asked
Apr 25, 2019
by
meena.clay6
1
answer
In the XY plane above , O is the center of the circle. The measure of $\angle AOX$ is
sat
math
trigonometry
no-calculator
asked
Apr 12, 2019
by
meena.clay6
1
answer
Value for $((i^4)^8)^{10}$ is
sat
math
trigonometry
calculator
asked
Apr 7, 2019
by
priyanka.clay6
1
answer
If a complex number coincides with its conjugate then the number must lie on
sat
math
trigonometry
no-calculator
asked
Apr 5, 2019
by
priyanka.clay6
1
answer
If $i =\sqrt{-1}$, what can be the value of $\frac{(3+i)(2-i)}{3-i } $?
sat
math
trigonometry
calculator
asked
Apr 2, 2019
by
priyanka.clay6
1
answer
Solve: $\tan \bigg(\large\frac{5 \pi}{3}\bigg)$ equals
sat
math
trigonometry
no-calculator
asked
Apr 2, 2019
by
meena.clay6
0
answers
Convert $210^{\circ}$ to radian
sat
math
trigonometry
calculator
asked
Apr 1, 2019
by
meena.clay6
1
answer
Find the value of $\cot \theta$ , if in a right triangle $ABC$ ,$AB=6\;cm$ and $AC=8\;cm$ right angled at $B$.
sat
math
trigonometry
calculator
asked
Mar 18, 2019
by
meena.clay6
1
answer
In a right triangle, one angle measures $x^{\circ}$ where $\sin x^{\circ}=\large\frac{3}{5}$. What is $\tan (90^{\circ}-x) $ ?
sat
math
trigonometry
no-calculator
asked
Feb 26, 2019
by
meena.clay6
1
answer
For $i= \sqrt {-1}$ , find the value of $(3+i)(3-i)$
sat
math
trigonometry
no-calculator
asked
Feb 18, 2019
by
meena.clay6
1
answer
In a right angled triangle, one of the angles measure $x^{\circ}$ If $\sin x^{\circ}=\large\frac{\sqrt 3}{2}$ . What is $\cos(90-x)$ ?
sat
math
trigonometry
asked
Jul 9, 2018
by
meena.p
1
answer
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