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Indian Navy Pilot Introduction to Trigonometry — practice questions

Explore 2 free Introduction to Trigonometry questions in Indian Navy Pilot Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Introduction to Trigonometry questions and exercises with answers

Showing questions 1–2 of 2.

In a right triangle, for an acute angle θ, sin θ is defined as:Read the answer and worked solution →The value of tan 45° is:Read the answer and worked solution →

Worked practice questions

In a right triangle, for an acute angle θ, sin θ is defined as:

  1. hypotenuse / opposite side
  2. opposite side / hypotenuse
  3. opposite side / adjacent side
  4. adjacent side / hypotenuse
Show answer and solution

Correct answer: B. opposite side / hypotenuse

sin θ = side opposite θ / hypotenuse.

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The value of tan 45° is:

  1. 1/√3
  2. 1
  3. 0
  4. √3
Show answer and solution

Correct answer: B. 1

We have tan 45° = sin45/cos45. So tan 45° = 1.

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