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Trig. Identities

Authored by Chelsie Caillier

Mathematics

11th - 12th Grade

CCSS covered

Used 438+ times

Trig. Identities
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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the following for cos2θ:
sin2θ + cos2θ = 1

cos2θ = 1 - sin2θ
cosθ = 1 + sin2θ
cosθ = 1 - sinθ
cos2θ = Adj/hyp

Tags

CCSS.HSF.TF.C.8

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Solve the following for tan2θ:
1 + tan2θ = sec2θ 

tan2θ = sec2θ + 1
tan2θ = sec2θ - 1
tanθ = secθ - 1
tan2θ = opp/adj

Tags

CCSS.HSF.TF.C.8

CCSS.HSA.REI.B.4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Rewrite tan(x) in terms of sin(x) and cos(x).

tan(x) = cos(x)/sin(x)
tan(x) = 1/cot(x)
tan(x) = sin(x)/cos(x)
tan(x) = opp/adj

Tags

CCSS.HSF.TF.C.8

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is csc(x) equivalent to?

1/sin(x)
1/tan(x)
sin(x)
1/cos(x)

Tags

CCSS.HSF.TF.C.8

CCSS.HSF.IF.C.8

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Please select the correct solution

csc2 x
cot2 x
sin2 x
sec2 x

Tags

CCSS.HSF.TF.C.8

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Please select the correct solution

csc x
sec x
cot x
tan x

Tags

CCSS.HSF.TF.C.8

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Is this a pythagorean identity?
tan2x + 1 = secx

Yes
No

Tags

CCSS.HSF.TF.C.8

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