4.1-4.4 Review

cos x

tan x

csc x

sin x

sec x

QI

QII

QIII

QIV

$$\frac{\pi}{2}$$

$$\pi$$

$$2\pi$$

$$4\pi$$

$$\frac{\text{adjacent}}{\text{hypotenuse}}$$

$$\frac{\text{opposite}}{hypotenuse}$$

$$\frac{\text{opposite}}{\text{adjacent}}$$

$$\frac{\text{hypotenuse}}{\text{opposite}}$$

$$70\degree$$

$$290\degree$$

$$180\degree$$

$$80\degree$$

$$135\degree$$

$$25\degree$$

$$45\degree$$

$$225\degree$$

$$\frac{13}{6}$$  

$$\frac{6}{13}$$  

$$-\frac{13}{6}$$  

undefined

1

$$\cos\left(2\pi\right)$$  

$$\sin\left(\frac{\pi}{2}\right)$$  

$$\sin\left(270^o\right)$$  

$$\tan\left(\frac{\pi}{4}\right)$$  

$$\cos\left(\pi\right)$$