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Indian Navy MR Intro Trigonometry — practice questions

Explore 1 free Intro Trigonometry questions in Indian Navy MR Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Intro Trigonometry questions and exercises with answers

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Worked practice questions

In a right triangle, if sin A = 3/5, what is cosec A?

  1. 4/5
  2. 5/3
  3. 3/5
  4. 5/4
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Correct answer: B. 5/3

We have cosec A = 1/sin. So A = 5/3.

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