Review for Identity quiz

Simplify:  tanxcotx-cos²x

• tanx
• cotx
• sin²x
• cos²x

Simplify:

sin(u)csc(u) + tan²(u)

• -sec²(u)

• sec²(u)

• tan(u)

• sin²(u)

Simplify:

(sec(θ) + 1)(sec(θ) - 1)

• -tan²(θ)

• -cot(θ)

• tan²(θ)

• 1

Simplify:

(sec(x))(1 - sin²(x))

• sec(x)

• -cos(x)

• -sec(x)

• cos(x)

Is this a pythagorean identity?
tan²x + 1 = secx

• Yes
• No

• sinθ
• cos²θ
• sin²θ
• 1- sin²θ

Simplify.

• sin x
• cos x
• tan x
• 1

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

• csc²θ
• csc θ sec θ
• cot θ tan θ
• 1/sinθ

• csc x
• sec x
• 1/sec x
• cos x

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

• csc s
• tan s + 1
• cot s
• cot s + 1