RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 4. Inverse Trigonometric Functions

Subject: Maths - Class 12th

Q. No. 8 B of Exercise 4C

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8 B

Solve for x:


To find: value of x


Formula Used:


Given:


LHS




Therefore,


Taking tangent on both sides, we get



12 = 2x2 – 6


2x2 = 18


x2 = 9


x = 3 or x = -3


Therefore, x = ±3 are the required values of x.


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