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 e-Book) download 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 MCQ: *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.

MCQ 121:

*2sin(x+45°)sin(x-45°) =*

- cos2x
- −cos2x
- sin2x
- −sin2x

b

MCQ 122:

*Cos(α + β)cos(α - β) =*

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

b

MCQ 123:

*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

MCQ 124:

*(22 1/2)° =*

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

c

MCQ 125:

*The additive inverse of a matrix A is*

- A
- |A|
- A²
- adj A⁄|A|

d

Introduction to Sets, Functions and Groups MCQs

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Sine Cosine Tangent MCQs

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