Lesson eLearning

What is tan 45° equal to?

medium MCQ Class 10 · Mathematics · Introduction to Trigonometry
  1. 1
  2. 0
  3. √3
  4. 1/√3
Answer
1

The correct answer is 1 — tan 45° = sin 45° / cos 45° = (1/√2) / (1/√2) = 1.

Step-by-step solution

  1. tan 45° = sin 45° / cos 45° = (1/√2) / (1/√2) = 1.

Concept tested: Trigonometric Values

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