Proving/Verifying Trig Identities

Please select the correct solution

• csc² x
• cot² x
• sin² x
• sec² x

Tags

CCSS.HSF.TF.C.8

Simplify

• sin²θ
• cosθ
• tanθ
• 1- sin²θ

Tags

CCSS.HSA.SSE.B.3

CCSS.HSF.TF.C.8

Simplify

• secθ
• cos²θ
• sin²θ
• sin²θ/cos²θ

Tags

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

Simplify:  tanxcotx-cos²x

• tanx
• cotx
• sin²x
• cos²x

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

• 1/cos x
• 1
• cot x
• -1

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

CCSS.HSF.TF.C.8

4) sinx(cotx+tanx)

• cosx
• cscx+1
• cosx-2
• secx

Tags

CCSS.HSG.SRT.C.7

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

• sin x
• - sin x
• 1
• -1

Tags

CCSS.HSF.TF.C.8

• -1
• sin θ
• csc θ
• 1

Tags

CCSS.HSF.TF.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.C.8

Simplify cot(x)tan(x) + cot²(x)

• -cot(x)

• csc²(x)

• sec(x)

• -csc²(x)

Describe the first two steps of this proof

• 1: Find a common denominator to combine the fractions.

  2: Combine the fractions.

• 1: Separate the fraction

  2: multiply by conjugate

• 1: Change to sines and cosines

  2: Combine fractions

• 1:Square both sides

  2: Cancel common factors