Trigonometry Identities and Functions Quiz
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Questions and Answers

Which of the following is an identity in trigonometry?

  • sec(x) = 1/cos(x)
  • sin^2(x) + cos^2(x) = 1 (correct)
  • cot(x) = cos(x)/sin(x)
  • tan(x) = sin(x)/cos(x)

    • Which trigonometric function is equal to the ratio of the adjacent side to the hypotenuse in a right triangle?

  • cot(x)
  • tan(x)
  • cos(x) (correct)
  • sin(x)

    • What is the reciprocal of the sine function?

  • sec(x)
  • cot(x)
  • cosec(x) (correct)
  • tan(x)

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