7.4 Simplify Using Trig Identities

Simplify sin x  $\cdot$  sec x

Simplify cos x $\cdot$  csc x

Simplify $\frac{\text{tan x}}{\text{sin x}}$  

Simplify $\frac{\text{cos x}}{\text{cot x}}$  

Simplify:   cos x  $\cdot$  csc x  $\cdot$  tan x

Simplify:  cot x  $\cdot$  sec x  $\cdot$  sin x

Simplify $\frac{\text{cot x}}{\text{tan x}}$  

•  $\cos^2x$  

•  $\sin^2x$  

•  $\cot^2x$  

•  $\tan^2x$  

Simplify $\frac{\text{sec x}}{\text{cos x}}-1$  

•  $\cos^2x-1$  

•  $\tan^2x$  

• 0

•  $\sin^2x-1$  

Simpify $\frac{\sin x\ \cos x}{1-\sin^2x}$  

Simplify:  $\sec x-\sin x\cdot\tan x$