Simplifying Trig Identities 1

Simplify:  $\secθ\sinθ$  

• cos θ

• csc θ

• tan θ

• cot θ

Simplify:   $\cos\theta\tan\theta$  

• sin θ

• cos θ

• tan θ

• csc θ

Simplify:  $(\secθ-1)(\secθ+1)$  

• sin ² θ

• cos ² θ

• tan ² θ

• sec ² θ

Simplify:  $\left(\cos\ θ\right)\left(\sec\ θ-\cosθ\right)$  

•   $\sin^2θ$  

•  $\cos^2θ$  

•  $\csc^2\theta$  

•  $\sec^2\theta$  

Simplify: $\frac{\sec^2x}{\sec^2x-1}$  

•  $\sin^2x$  

•  $\csc^2x$  

•  $\cos^2x$  

•  $\sec^2x$  

Simplify:   $\frac{\sin^2x+\cos^2x+\cot^2x}{1+\tan^2x}$  

•  $\cot^2x$  

•  $\tan^2x$  

•  $\csc^2x$  

•  $\sec^2x$  

• -1
• sin θ
• csc θ
• 1

• csc²θ
• sec²θ
• cscθ
• 1

Select all that are Pythagorean Identities.

• sin²(u) + cos²(u) = 1

• sin²(u) - cos²(u) = 1

• tan²(u) + 1 = sec²(u)

• cot²(u) + csc²(u) = 1

• cot²(u) + 1 = csc²(u)

Tags

CCSS.HSF.TF.C.8

What is csc(x) equivalent to?

• 1/sin(x)
• 1/tan(x)
• sin(x)
• 1/cos(x)