Simplifying Trigonometric Identities

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Select all that are Pythagorean Identities.

• sin²(u) + cos²(u) = 1

• sin²(u) - cos²(u) = 1

• tan²(u) + 1 = sec²(u)

• cot²(u) + csc²(u) = 1

• cot²(u) + 1 = csc²(u)

Tags

CCSS.HSF.TF.C.8

CCSS.HSG.SRT.C.8

Simplify the trig expression.

• secx
• cotx
• sec²x
• tan²x

Tags

CCSS.HSF.TF.C.8

 $\left(1-\cos^2\theta\right)\csc\theta\ =\ 1$  

• True 

• False 

Tags

CCSS.HSF.TF.C.8

Simplify the trig expression.

• 1
• -1
• cotx
• cosx

Tags

CCSS.HSF.TF.C.8

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

• 1/cos x
• 1
• cot x
• -1

Tags

CCSS.HSF.TF.C.8

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

cotθ=

• cosθ/sinθ
• sinθ/cosθ
• tanθ
• 1/cosθ

Tags

CCSS.HSF.TF.A.2

Simplify the trig expression.

• 1
• -tanx
• -1
• tanx

Tags

CCSS.HSF.TF.C.8

*

• csc² x
• cot² x
• sin² x
• sec² x

Tags

CCSS.HSF.TF.C.8

Simplify the trig expression.

• tan²x
• -tan²x
• cot²x
• cos²x*sin²x

Tags

CCSS.HSF.TF.C.8

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3