Trig Equations and Identities Test Multiple Choice

4) sinx(cotx+tanx)

• cosx
• cscx+1
• cosx-2
• secx

*

• csc² x
• cot² x
• sin² x
• sec² x

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Tags

CCSS.HSF.TF.C.8

Simplify
(sec x)(cot x)(sin x)

• sin x
• - sin x
• 1
• -1

What happens when you multiply two reciprocal functions?

• You get a pythagorean identity

• It equals 1

• You get a quotient identity

• It equals 0

Tags

CCSS.HSF.TF.C.8

Given sin⊖ = 2/3 and tan⊖ <0, find the exact value for cos⊖

• 3/2
• -√5/3
• √5/3
• -2/3

Tags

CCSS.HSF.TF.C.8

Solve on the Interval [0,2π)
tan(x)+1=2

• 0 and π  
• 3π/4 and 7π/4
• π/4 and 5π/4
• 3π/4 and 5π/4