Quiz about Trigonometry Algebra 2

Question 1

Convert the angle $${	heta}={1 0 0}^\circ $$ to radians.

Accepted Answer

Covalent bond

Answer

$$\frac{5 \pi}{9}$$

Answer

$$\frac{\pi}{9}$$

Answer

$$ \frac{10 \pi}{9}$$

Answer

$$\frac{9 \pi}{5}$$

Question 2

An equation is shown, where $$0 < x < 90$$ and $$0 < y < 90$$. $$\cos (x^{\circ})=\sin (y^{\circ})$$

Create an expression for $$x$$ in terms of $$y$$.

Accepted Answer

Covalent bond

Answer

$$x=90-y$$

Answer

$$x=90+y$$

Answer

$$ x=\sin y$$

Answer

$$y=\sin x$$

Question 3

In triangle $$A B C, \angle A$$ and $$\angle B$$ are complementary, where $$\cos A=0.5$$.

What is the measure, in degrees, of $$<B$$ ?

Accepted Answer

Covalent bond

Answer

$$30^{\circ}$$

Answer

$$60^{\circ}$$

Answer

$$120^{\circ}$$

Answer

$$45^{\circ}$$

Question 4

A triangle is shown.

![](http://admin.getprephub.com/media/editor/d11_20230225224217403941.png)
What is the length, in inches (in.), of side $$a$$ ?

Accepted Answer

Covalent bond

Answer

22

Answer

88

Answer

12

Answer

44

Question 5

Find $$\cos (\frac{7 \pi}{4})$$

Accepted Answer

Covalent bond

Answer

$$\frac{1}{\sqrt{2}}$$

Answer

$$-\frac{1}{\sqrt{2}}$$

Answer

$$\frac{1}{2}$$

Answer

$$-\frac{\sqrt{3}}{2}$$

Trigonometry Algebra 2 Algebra 2 Maths Problems and Solutions