RD Sharma - Mathematics (Volume 1)

Book: RD Sharma - Mathematics (Volume 1)

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 2 of Exercise 4.12

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2

Prove the following results:

Given:-


Take


RHS



We know that, Formula



Thus,


=


=


By pathagorous theorem


=


=


We know that, Formula



Thus,


=


=


Now,


LHS


=



=


So,


LHS = RHS



Chapter Exercises

Exercise 4.1
Exercise 4.2
Exercise 4.3
Exercise 4.4
Exercise 4.5
Exercise 4.6
Exercise 4.7
Exercise 4.8
Exercise 4.9
Exercise 4.10
Exercise 4.11
Exercise 4.12
Exercise 4.13
Exercise 4.14
Very short answer
MCQ

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sin-1xsin-12x= π/3
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cos-1x+sin-1x/1-π/6=0

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