Quiz about Trigonometry Algebra 2

Question 1

Points $${A}, {B}$$, and $${C}$$ are plotted on the unit circle.

![](http://admin.getprephub.com/media/editor/tr1_20230123083828668578.png)

Which of the coordinates is equal to $$\cos (180^{\circ}) ?$$

Accepted Answer

Covalent bond

Answer

x-coordinate of $$C$$

Answer

y-co-ordinate of $$B$$

Answer

x co-ordinate of $$A$$

Answer

y co-ordinate of $$C$$

Question 2

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 3

Points $${A}, {B}$$, and $${C}$$ are plotted on the unit circle.

![](http://admin.getprephub.com/media/editor/tr8_20230119190342464010.png)

Which of the coordinates is equal to $$\cos (\pi)$$ ?

Accepted Answer

Covalent bond

Answer

x co-ordinate of $$C$$

Answer

y coordinate of $$B$$

Answer

x coordinate of $$A$$

Answer

y coordinate of $$A$$

Question 4

Points $$A, B$$, and $$C$$ are plotted on the unit circle.

![](http://admin.getprephub.com/media/editor/tr9_20230119190428508358.png)

Which of the coordinates is equal to $$\sin (\frac{4 \pi}{5})$$ ?

Accepted Answer

Covalent bond

Answer

y co-ordinate of $$A$$

Answer

x co-ordinate of $$A$$

Answer

x co-ordinate of $$C$$

Answer

y co-ordinate of $$B$$

Question 5

The angle $$	heta_1$$ is located in Quadrant IV and $$\cos (	heta_1)=\frac{9}{19}$$. What is the value of $$\sin ({	heta_1})$$ ?

Accepted Answer

Covalent bond

Answer

$$\frac{-2 \sqrt{70}}{19}$$

Answer

$$\frac{2 \sqrt{70}}{19}$$

Answer

$$ \pm \frac{2 \sqrt{70}}{19}$$

Answer

$$\frac{\sqrt{7}}{19}$$

Trigonometry Algebra 2 Algebra 2 Maths Problems and Solutions