Trig Identities

What is csc(x) equivalent to?

• $\frac{1}{\sin x}$

• $\frac{1}{\tan x}$

• sin(x)

• $\frac{1}{\cos x}$

Tags

CCSS.HSF.TF.A.4

Please select the correct solution

• csc² x
• cot² x
• sin² x
• sec² x

Tags

CCSS.HSF.TF.C.8

Please select the correct solution 
cos ² x + sin ² x=  

• 1
• csc ² x + sec ² x
• sin ² x
• 1 - sin ² x

Tags

CCSS.HSF.TF.C.8

Please select the correct solution

• csc x
• sec x
• cot x
• tan x

Tags

CCSS.HSF.TF.C.8

Simplify

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Tags

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.8

Simplify

• -1
• sin θ
• csc θ
• 1

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.8

CCSS.HSF.TF.C.9

Simplify

• secθ

• cos²θ

• sin²θ

• $\frac{\sin^2x}{\cos^2x}$

Tags

CCSS.HSF.TF.C.8

Simplify: (secx-1)(secx+1)

Hint: you will need to FOIL first

• tan²x

• sinx

• cot²x

• cosx

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Simplify:  tanxcotx-cos²x

• tanx
• cotx
• sin²x
• cos²x

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Is this a pythagorean identity?
tan²x + 1 = secx

• Yes
• No

Tags

CCSS.HSF.TF.C.8