Example 8 - Find value of sin 31pi/3 - Chapter 3 Class 11 - Examples

  1. Chapter 3 Class 11 Trigonometric Functions
  2. Concept wise

Transcript

Example 8 Find the value of sin (31" " π" " )/3 sin 31"π " /3 = sin (10π + 1/3 "π ") = sin (5 × (2π) + 1/3 "π ") = sin (1/3 " π" ) = sin (1/3 " × 180°" ) = sin 60° = √3/2

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.