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Sine Cosine Tangent Quiz Questions and Answers PDF - 25

The e-Book Sine Cosine Tangent Quiz Questions, sine cosine tangent quiz answers PDF download chapter 13-25 to study online math degree courses. Practice Trigonometric Identities MCQ with answers PDF, sine cosine tangent Multiple Choice Questions (MCQ Quiz) for online college degrees. 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 to learn free online courses.

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

Sine Cosine Tangent Quiz Answers PDF Download: Test 25

MCQ 121: 2sin(x+45°)sin(x-45°) =

A) cos2x
B) −cos2x
C) sin2x
D) −sin2x

MCQ 122: Cos(α + β)cos(α - β) =

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

MCQ 123: 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 124: (22 1/2)° =

A) π/2 radians
B) π/4 radians
C) π/8 radians
D) 180π radians

MCQ 125: The additive inverse of a matrix A is

A) A
B) |A|
C) A²
D) adj A⁄|A|

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