RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 3 of Exercise 4.12

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3

Prove the following results: Solve the following:

cos-1x+sin-1x/1-π/6=0

Given:-


Take




We know that, Formula



Thus,



We know that, Formula



Thus,









x = ±1


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