simplify trig identities

Challenge: Write down each of the three Pythagorean Identities in two more ways. This will help on this quiz! Then choose to be happy :)

• to be happy:)

• I'm not happy

• I've got this!

• I can't choose

Write down your quotient and reciprocal identities then choose to be brave! You will need scratch paper for this quiz.

• to be brave!

• I'm kinda brave

• ?

• I finally am getting this stuff

Please select the correct solution csc ² x - cot ² x=  

• sec ² x - 1
• 1
• sec ² x
• csc ² x - 1

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

Solve the following for cos²θ:
sin²θ + cos²θ = 1

• cos²θ = 1 - sin²θ
• cosθ = 1 + sin²θ
• cosθ = 1 - sinθ
• cos²θ = Adj/hyp

Tags

CCSS.HSA.CED.A.4

CCSS.HSF.TF.C.8

Solve the following for tan²θ:
1 + tan²θ = sec²θ 

• tan²θ = sec²θ + 1
• tan²θ = sec²θ - 1
• tanθ = secθ - 1
• tan²θ = opp/adj

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.TF.C.8

Please select the correct solution

• csc² x
• cot² x
• sin² x
• sec² x

Tags

CCSS.HSF.TF.C.8

What is csc(x) equivalent to?

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

Tags

CCSS.HSF.IF.C.8

Please select the correct solution . hint: quotient identity

• csc x

• sec x

• cot x

• tan x

Simplify . Hint: What does  $\cot\theta$  equal?  Quotient identity.

• sin²θ

• cosθ

• tanθ

• 1- sin²θ