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 4.8

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2

Prove the following results:

Let and


and


where


Now, LHS is reduced to : tan(x+y)


..eq (i)..


As where






Now putting the values of tan x and tan y in eq(i)




= RHS


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