Trigonometric Functions (Fastest Fingers First)

Which of the following is equals to  $300^{\degree}$  ?

•  $\frac{\pi}{6}$  

•  $2.5\pi$  

•  $1\frac{2}{3}\pi$  

•  $\frac{4}{3}\pi$  

Which pair below is a pair of Trigonometric Special Angles?

• $30^{\degree}\ and\ \ 40^{\degree}$

• $45^{\degree}\ and\ \ \frac{\pi}{3}$

• $60^{\degree}\ and\ \ 55^{\degree}$

• $\ \frac{\pi}{5}\ and\ \frac{\pi}{6}$

Which of the following is equals to  $\sin\left(90^{\degree}-\theta\right)$  ?

•  $\sin\theta$  

•  $\cot\theta$  

•  $\tan\theta$  

•  $\cos\theta$  

Given that  $90^{\degree}<\theta<180^{\degree}$  , which of the following is positive?

•  $\operatorname{cosec}\theta$  

•  $\tan\theta$  

•  $\cos\theta$  

•  $\cot\theta$  

Which of the following has the same value as  $\sin200^{\degree}$  ?

•  $\sin20^{\degree}$  

•  $\sin70^{\degree}$  

•  $-\sin20^{\degree}$  

•  $-\sin70^{\degree}$  

Which of the following has the same value as  $\cos280^{\degree}$  ?

•  $\cos80^{\degree}$  

•  $\cos10^{\degree}$  

•  $-\cos10^{\degree}$  

•  $-\cos80^{\degree}$  

Given that  $\tan\theta=\frac{2}{3}$  and that  $\tan\theta$  and  $\cos\theta$  have opposite signs, which quadrant is  $\theta$  lying in?

• 1st

• 2nd

• 3rd

• 4th

Given that $\cos\theta=-\frac{3}{5}$  and that  $180^{\degree}<\theta<360^{\degree}$ , which quadrant is  $\theta$  lying in?

• 1st

• 2nd

• 3rd

• 4th