Solving Trig Identities

Solving Trig Identities

12th Grade

12 Qs

quiz-placeholder

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Solving Trig Identities

Solving Trig Identities

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Hard

CCSS
HSF.TF.C.9, HSA-REI.B.4B

Standards-aligned

Created by

Anthony Clark

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

cos2u =

2(sinu)(cosu)

(cosu)2 - (sinu)2

2(cosu)2 - 2

(sinu)2 - (cosu)2

I have no idea

Tags

CCSS.HSF.TF.C.9

2.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Which of these are equal to 1? (Check all that apply)

sin2(θ) + cos2(θ)

sec2(θ) - tan2(θ)

csc2(θ) - cot2(θ)

tan2(θ) - cos2(θ)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which identity does not represent a double-angle identity for cos 2θ?

2sinθcosθ

cos2θ - sin2θ

1 - 2sin2θ

2cos2θ - 1

Tags

CCSS.HSF.TF.C.9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write the following expression as the sine, cosine, or tangent of an angle.
cos(175)cos(55)+sin(175)sin(55)

sin(120)

cos(120)

cos(230)

sin(230)

Tags

CCSS.HSF.TF.C.9

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Please choose the correct sum and difference formula:
sin (α-β) =

sin α cos β + cos α sin β

sin α cos β - cos α sin β

cos α cos β - sin α sin β

cos α cos β + sin α sin β

Tags

CCSS.HSF.TF.C.9

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Please choose the correct sum and difference formula:
cos (α+β) =

sin α cos β + cos α sin β

sin α cos β - cos α sin β

cos α cos β - sin α sin β

cos α cos β + sin α sin β

Tags

CCSS.HSF.TF.C.9

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which identity represents a double-angle identity for sin 2θ?

2sinθcosθ

cos2θ - sin2θ

1 - 2sin2θ

2cos2θ - 1

Tags

CCSS.HSF.TF.C.9

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