Trigonometric Identities

*

• sin x
• cos x
• csc x
• cot x

Tags

CCSS.HSF.TF.A.2

*

• csc x
• sec x
• cot x
• tan x

*

• csc² x
• cot² x
• sin² x
• sec² x

Tags

CCSS.HSF.TF.C.8

*

• csc² x
• sec² x
• cot² x
• tan² x

Tags

CCSS.HSF.TF.C.8

Simplify

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Tags

CCSS.HSF.TF.C.8

Simplify

• -1
• sin θ
• csc θ
• 1

Tags

CCSS.HSF.TF.C.8

CCSS.HSF.TF.C.9

Simplify (Hint: you will need to FOIL first)

• sinθ

• cot²θ

• tan²θ

• cos²θ

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.9

Simplify

• secθ
• cos²θ
• sin²θ
• sin²θ/cos²θ

Tags

CCSS.HSF.TF.C.8

Which expression is equivalent to the trigonometric expression  $\frac{1-\sin^2\left(\theta\right)}{\cos\left(\theta\right)}$  ?

•  $\sec\left(\theta\right)$  

•  $\sin\left(\theta\right)$  

•  $\cos\left(\theta\right)$  

•  $\csc\left(\theta\right)$  

Tags

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.8

Which expression is equivalent to the trigonometric expression  $\frac{\tan\left(\theta\right)}{\sin\left(\theta\right)}$  ?

•  $\cot\left(\theta\right)$  

•  $\sec\left(\theta\right)$  

•  $\cos\left(\theta\right)$  

•  $\csc\left(\theta\right)$  

Tags

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.6

CCSS.HSG.SRT.C.8