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College Math Exam Prep

College Math Practice Test 25

The e-Book Sine Cosine Tangent Quiz Questions, sine cosine tangent MCQ with answers PDF chapter 13-25 to learn online courses, college math tests. Practice Trigonometric Identities trivia questions, sine cosine tangent Multiple Choice Questions (MCQ Quiz) for online college degrees. The e-Book "Sine Cosine Tangent Quiz" App Download: 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 to learn free online courses.

The Quiz "2sin(x+45°)sin(x-45°) =" PDF, Sine Cosine Tangent App Download (Free) with −cos2x, cos2x, sin2x, and −sin2x choices for free online college courses. Solve trigonometric identities questions and answers, Amazon eBook to download free sample for online college classes.

## Math: Sine Cosine Tangent Quiz

MCQ: 2sin(x+45°)sin(x-45°) =

A) cos2x
B) −cos2x
C) sin2x
D) −sin2x

MCQ: Cos(α + β)cos(α - β) =

A) cos²α-sin²β
B) sin²α-cos²β
C) 2cosα
D) 2sinα

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

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

MCQ: (22 1/2)° =

MCQ: The additive inverse of a matrix A is

A) A
B) |A|
C) A²

### Mock Tests: College Math Course Prep

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