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Sine Cosine Tangent Quiz Questions and Answers PDF Download eBook p. 25

Sine Cosine Tangent quiz questions and answers, sine cosine tangent MCQs with answers PDF 25 to practice math mock tests for online graduate programs. Practice "Trigonometric Identities" quiz questions with answers, sine cosine tangent Multiple Choice Questions (MCQs) for online college degrees. Free sine cosine tangent MCQs, adjoint and inverse of square matrix, radian to degree conversion, when q(x) has repeated linear factors, double angle identities, sine cosine tangent test prep to learn free online courses.

"2sin(x+45°)sin(x-45°) =", sine cosine tangent Multiple Choice Questions (MCQs) with choices −cos2x, cos2x, sin2x, and −sin2x for free online college courses. Practice trigonometric identities questions and answers to improve problem solving skills for online college classes.

Quiz on Sine Cosine Tangent PDF Download eBook

Sine Cosine Tangent Quiz

MCQ: 2sin(x+45°)sin(x-45°) =

  1. cos2x
  2. −cos2x
  3. sin2x
  4. −sin2x

B

Double Angle Identities Quiz

MCQ: Cos(α + β)cos(α - β) =

  1. cos²α-sin²β
  2. sin²α-cos²β
  3. 2cosα
  4. 2sinα

B

when Q(x) has repeated linear factors Quiz

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

  1. Ax+B/(x²-1)
  2. A/(x+1) + B/(x-1)
  3. A/(x+1)
  4. B/(x-1)

B

Radian to Degree Conversion Quiz

MCQ: (22 1/2)° =

  1. π/2 radians
  2. π/4 radians
  3. π/8 radians
  4. 180π radians

C

Adjoint and inverse of square Matrix Quiz

MCQ: The additive inverse of a matrix A is

  1. A
  2. |A|
  3. adj A⁄|A|

D