Lesson eLearning

Simplify: sin² θ + cos² θ.

medium MCQ Class 10 · Mathematics · Some Applications of Trigonometry
  1. 1
  2. 0
  3. tan² θ
  4. sec² θ
Answer
1

The correct answer is 1 — Fundamental identity: sin² θ + cos² θ = 1.

Step-by-step solution

  1. Fundamental identity: sin² θ + cos² θ = 1.

Concept tested: Trigonometric Identities

Published · How this solution was prepared and checked

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