College Math Certification Exam Tests

College Math Practice Test 25

The *Sine Cosine Tangent Quiz Questions and Answers PDF*, Sine Cosine Tangent Quiz with Answers PDF Download e-Book Ch. 13-25 to prepare College Math Practice Tests. Solve Trigonometric Identities MCQ with answers PDF, Sine Cosine Tangent Multiple Choice Questions (MCQ Quiz) for online college classes. The *Sine Cosine Tangent Quiz App* Download: Free learning app for sine cosine tangent, double angle identities, when q(x) has repeated linear factors, radian to degree conversion, adjoint and inverse of square matrix test prep for best SAT prep courses online.

The Quiz: *2sin(x+45°)sin(x-45°) =;* "Sine Cosine Tangent" App Download (Free) with answers: −cos2x; Cos2x; Sin2x; −sin2x; for online college classes. Learn Trigonometric Identities Questions and Answers, Apple eBook to download free sample to learn e-learning courses.

*2sin(x+45°)sin(x-45°) =*

- cos2x
- −cos2x
- sin2x
- −sin2x

b

*Cos(α + β)cos(α - β) =*

- cos²α-sin²β
- sin²α-cos²β
- 2cosα
- 2sinα

b

*Partial fractions of 1/(x²-1) are equivalent to*

- Ax+B/(x²-1)
- A/(x+1) + B/(x-1)
- A/(x+1)
- B/(x-1)

b

*(22 1/2)° =*

- π/2 radians
- π/4 radians
- π/8 radians
- 180π radians

c

*The additive inverse of a matrix A is*

- A
- |A|
- A²
- adj A⁄|A|

d

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Sine Cosine Tangent MCQs

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