Pre-Cal At-Home Test 2

Find  $\cos\left(-270\degree\right)$ .

• undefined

•  $-1$  

•  $1$  

•  $0$  

Find the exact value of  $\sec\ 300\degree$ .

•  $-2$  

•  $-\frac{2\sqrt{3}}{3}$  

•  $2$  

•  $\frac{2\sqrt{3}}{3}$  

Find the value of  $\csc\theta$  for angle  $\theta$  in standard position if the point at  $\left(5,-2\right)$  lies on its terminal side.

•  $-\frac{\sqrt{29}}{2}$  

•  $-\frac{2\sqrt{29}}{29}$  

•  $\frac{\sqrt{29}}{5}$  

•  $\frac{5\sqrt{29}}{29}$  

Suppose $\theta$ is an angle in standard position whose terminal side lies in Quadrant 2.  If  $\sin\theta=\frac{12}{13}$ , find the value of  $\sec\theta$ .

•  $-\frac{5}{13}$  

•  $-\frac{13}{5}$  

•  $-\frac{12}{5}$  

•  $\frac{13}{12}$  

If  $0\degree\le x\le360\degree$ , solve the equation  $\sec x=-2$ . 

•  $150\degree\ and\ 210\degree$  

•  $210\degree\ and\ 330\degree$  

•  $120\degree\ and\ 240\degree$  

•  $240\degree\ and\ 300\degree$  

Find B to the nearest tenth of a degree if  $b=10\ and\ c=14$ . 

•  $44.4\degree$  

•  $35.5\degree$  

•  $54.5\degree$  

•  $45.6\degree$  

Find  $\cot\left(-180\degree\right)$ .

• undefined

•  $-1$  

•  $1$  

•  $0$  

Find the exact value of  $\tan\ 240\degree$ .

•  $-\sqrt{3}$  

•  $-\frac{\sqrt{3}}{3}$  

•  $\sqrt{3}$  

•  $\frac{\sqrt{3}}{3}$  

If  $0\degree\le x\le360\degree$ , solve the equation  $\tan x=-1$  .

•  $135\degree\ and\ 315\degree$  

•  $45\degree\ and\ 225\degree$  

•  $45\degree\ and\ 315\degree$  

•  $225\degree\ and\ 315\degree$  

Find A to the nearest tenth of a degree if b = 10 and c = 14.

• $44.4\degree$

• $35.5\degree$

• $54.5\degree$

• $45.6\degree$