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

Example 8 - Chapter 2 Class 12 Inverse Trigonometric Functions

Last updated at Dec. 24, 2019 by

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

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  1. Chapter 2 Class 12 Inverse Trigonometric Functions
  2. Concept wise

    3. Formulae based

    Changing of trignometric variables and then applying formula →

Transcript

Example 8 - Chapter 2 Class 12 Inverse Trigonometric Functions - NCERT Find the value of cos (sec^-1 x + cosec^-1 x), |x| ≥ 1 cos (sec-1 x + cosec-1 x) (As sec-1 x + cosec-1 x = π/2) = cos ( π/2) = cos ((180 )/2) = cos 90 = 0

Chapter 2 Class 12 Inverse Trigonometric Functions
Concept wise

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