1. Chapter 2 Class 12 Inverse Trigonometric Functions (Term 1)
  2. Concept wise
  3. Formulae based

Example 8 - Chapter 2 Class 12 Inverse Trigonometric Functions (Term 1)

Last updated at May 12, 2021 by

Example 8 - Find cos (sec-1 x + cosec-1 x) - Chapter 2 NCERT

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  1. Chapter 2 Class 12 Inverse Trigonometric Functions (Term 1)
  2. Concept wise

    3. Formulae based

    Changing of trignometric variables and then applying formula →

Transcript

Example 8 Find the value of cos (sec–1 x + cosec–1 x), | x | ≥ 1 cos (sec–1 x + cosec–1 x) = cos (𝝅/𝟐) = cos ((180°)/2) = cos 90° = 0 (As sec-1 + cosec-1 x = 𝜋/2)

Chapter 2 Class 12 Inverse Trigonometric Functions (Term 1)
Concept wise

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.