RS Aggarwal - Mathematics

Book: RS Aggarwal - Mathematics

Chapter: 4. Inverse Trigonometric Functions

Subject: - Class 12th

Q. No. 47 of Objective Questions

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47

Mark the tick against the correct answer in the following:

If tan-1 x + tan-1 3 = tan-1 8 then x = ?


Given: + =


To Find: The value of x


Here + = can be written as


= -


Since we know that - =


= - =


=


=


x =

1

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