Trig Identities

sin x =

• cos x

• 1/cosx

• 1/secx

• 1/cscx

Tags

CCSS.HSF.TF.A.4

tan x =

• sinx/cos x

• cosx/sinx

• 1/cotx

• sec²x

Tags

CCSS.HSF.TF.C.8

1 - sin²x =

• cos²x

• cos²x+1

• csc²x

• tan²x

sin²x + cos²x =

• 1

• 1/sinx

• sec²x

• csc²x

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

Simplify

• csc²θ
• sec²θ
• cscθ
• 1

Simplify
 $\sec\theta\cot\theta\sin\theta$  

• -1

• sin θ

• csc θ

• 1

Simplify

 $\cot\theta\tan\theta$  

• sin²θ/cos²θ

• 1

• 0

• cos²θ/sin²θ

Please select the correct solution

• csc x
• sec x
• cot x
• tan x