Applying and analysing trigonometric functions

 $\frac{1}{\sin\ x}=\ ...\ .$  

• sec x
  

• cosec x
  

• cotg x
  

• sec x cos x
  

• sec x cosec x
  

Simplify:

 $\tan\ x\ \cot x\ -\cos^2x$  

• tanx

• cotx

• sin²x

• cos²x

Are $\tan x^2$ and  $\left(\tan x\right)^2$  the same thing?

• Yes

• No

• 1/cos x
• 1
• cot x
• -1

cos²(w) - cos(w)sec(w)

• A. -sin(w)

• B. sin²(w)

• C. -sin²(w)

• D. csc(w)

• -1
• sin θ
• csc θ
• 1

Select the MOST SIMPLIFIED answer for the problem:

 $\frac{\cot^2x}{1-\sin^2x}$  

• 1

•  $\frac{\cot^2x}{\cos^2x}$  

•  $\frac{1}{\sin^2x}$  

•  $\csc^2x$  

• sinθ
• cot²θ
• tan²θ
• cos²θ

Simplify the trig expression.

• secx
• cotx
• sec²x
• tan²x