Question 1

This is the graph of ...?

Accepted Answer

$\sin x$ for $0<x<2\pi$

Answer

$	an x$ for $0<x<2\pi$

Answer

$\cos x$ for $0<x<2\pi$

Question 2

This is the graph of ...?

Accepted Answer

$\cos x$ for $0<x<4\pi$

Answer

$	an x$ for $0<x<4\pi$

Answer

$\sin x$ for $0<x<4\pi$

Question 3

This is the graph of ...?

Accepted Answer

$	an x$ for $-\frac{\pi}{2}<x<\frac{\pi}{2}$

Answer

$\cos x$ for $-\frac{\pi}{2}<x<\frac{\pi}{2}$

Answer

$\sin x$ for $-\frac{\pi}{2}<x<\frac{\pi}{2}$

Question 4

$\sin 30^\circ = \frac{1}{2}$. Give another angle for $0<x<360^\circ{}$ whose sine is also $\frac{1}{2}$.

Accepted Answer

$150^\circ$

Answer

$330^\circ$

Answer

$210^\circ$

Answer

$390^\circ$

Question 5

What is $\pi$ radians in degrees?

Accepted Answer

$180^\circ$

Answer

$90^\circ$

Answer

$3.142^\circ$

Answer

$360^\circ$

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