Question

Question 17: Solve tan¯¹(x/y) -tan¯¹ x-y/x+y is equal to (A) π/2 (B) π/3 (C) π/4 (D) -3π/4

Class 12 - Math - Inverse Trigonometric Functions

Answer 1

Refer to the attachment.
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Formula used :-

tan-¹a + tan-¹b = tan-¹(a-b/1+ab)

Answer 2

Refer to the attachment above ..

Hope helps!!!