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College Math Exam MCQs – Practice Test 4 (Chapter 13)

Trigonometric Identities Notes Questions with Answers PDF Download – Test 4

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Download Trigonometric Identities Learning App with MCQ: "(cos(x)-cos3x)/(sin3x-sin(x)) ="; with answers: tan2x, cot2x, csc2x, and sec2x. Practice Basic Trigonometry Formulas Quiz Questions, download Kobo e-Book (Free Chapter) for online college classes.

Trigonometric Identities MCQs – Practice Test 4 PDF Download

MCQ 16: (cos(x)-cos3x)/(sin3x-sin(x)) =:

  1. cot2x
  2. tan2x
  3. csc2x
  4. sec2x

MCQ 17: 1+cos2α =:

  1. 2sinα
  2. 2cosα
  3. 2secα
  4. 2cos²α

MCQ 18: 2sin(x+45°)sin(x-45°) =:

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

MCQ 19: Sin(-α) =:

  1. secα
  2. −sinα
  3. sinα
  4. −cosα

MCQ 20: Sinα =:

  1. 2sinα/2cosα/2
  2. 2cos²α/2+1
  3. sinα/2cosα/2
  4. None of Above

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