RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 7 D of Exercise 4C

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7 D

Prove that:

To Prove:

Formula Used:


LHS … (1)


Therefore … (2)

From the figure,

… (3)

From (2) and (3),

Substituting in (1), we get


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