Solving Trigonometry Problems: Basic, Advanced & Examples

High School
Geometry
Trigonometry

Express $\sin (\arccos (\frac{2}{x}))$ in terms of x.

Ernstfalld 2021-09-01

Verify the identify.
$\frac{\csc^{2} θ}{1 + \tan^{2} θ} = \cot^{2} θ$

Cabiolab 2021-09-01

Establish identity
$\frac{\csc v - 1}{\csc v + 1} = \frac{1 - \sin v}{1 + \sin v}$

boitshupoO 2021-08-31

Evaluate:
1) $\cos (\frac{9 π}{4})$
2) $\sin (\frac{- 9 π}{4})$
3) $\cot (\frac{- 5 π}{4})$
4) $- \cot (\frac{π}{4} + 17 π)$

hexacordoK 2021-08-31

Given a right triangle with $∠ a = {23.4}^{\circ}$ . The cathetus opposite to $∠ a$ is $\overset{―}{A} = 5.75$ m. Find the second cathetus $(\overset{―}{B})$ .

glasskerfu 2021-08-31

Is a triangle with sides of 5cm, 12cm and 15cm right?

opatovaL 2021-08-31

Verify that the equation is an identity.
$\frac{\cos θ + 1}{\tan^{2} θ} = \frac{\cos θ}{\sec θ - 1}$

Jaden Easton 2021-08-20

find the exact value of $\tan (\frac{4 π}{3} - \frac{π}{4})$

fortdefruitI 2021-08-20

We have a right traingle.
$\underset{1}{l} = 4.5 c m$
$\underset{2}{l} = 4.5 \sqrt{3}$
What are the mesures of the angles?

iohanetc 2021-08-20

[Graph] Solving Multl-Step Equations (continued)

Brennan Flores 2021-08-19

Find the linear equations that can be used to convert an (x, y) equation to a (x, v) equation using the given angle of rotation θ.

$θ = \frac{π}{3}$

Tabansi 2021-08-19

Find the linear equations that can be used to convert an (x, y) equation to a (x, v) equation using the given angle of rotation θ.

$θ = 70^{\circ}$

Tahmid Knox 2021-08-18

Write an equation in terms of x and y for the function that is described by the given characteristics. A sine curve with a period of $π$ , an amplitude of 3, a right phase shift of $\frac{π}{2}$ , and a vertical translation up 2 units.

ossidianaZ 2021-08-16

Prove that $(1 + \cos θ) (1 - \cos θ) = \sin^{2} θ$

Brennan Flores 2021-08-16

If the hypotenuse of a 45°-45°-90° triangle has a length of $\sqrt 2$ , how long are the legs?

tinfoQ 2021-08-16

Verify that $\sin h (2 x) = 2 sinh x cosh x$

amanf 2021-08-15

A wire placed 15 feet from the base of the tree provides stability. The length of the wire exceeds the height it can reach on the tree by 4 feet. What is the wire's length? Create a polynomial equation utilizing the Pythagorean theorem.

abondantQ 2021-08-15

Veronica made a triangle by taking an 8 1/2 × 11 sheet of paper and putting a dot at the top. She then drew lines from the bottom corners to the dot and cut along the lines (see diagram).
[Triangles]
What is the area of the triangle that Veronica cut out?

Ayaana Buck 2021-08-12

In general, tan (α + β) is not equal to tan α + tan β. However, there are some values of α and β for which they are equal. Find such α and β, and do the same for tan (α - β).

Chesley 2021-08-11

If $\sin (X) = - \frac{1}{3} and \frac{π}{x} / 3 \frac{π}{2}$ .
What is the value of $\tan (x)$ ?

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Trigonometry

Trigonometry Problems - Basics, Advanced & Examples