Trigonometric & algebric Identities

Solve the following for cos²θ:
sin²θ + cos²θ = 1

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

Tags

CCSS.HSF.TF.C.8

Please select the correct solution

• csc² x
• cot² x
• sin² x
• sec² x

Please select the correct solution

• csc x
• sec x
• cot x
• tan x

What is csc(x) equivalent to?

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

Tags

CCSS.HSF.TF.A.4

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

Simplify

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

• -1

• 0

• 1

tanθ=

• 1/tanθ
• 1/sinθ=
• 1/cscθ=
• 1/cotθ=

Tags

CCSS.HSF.TF.A.4

-(sin²x + cos²x)

• -1
• 1
• -2
• 2