If x = 3/5 then the value of cot(2tan-1x + cot-1x) is

(A) \(\frac{3}{5}\)

(B) \(-\frac{3}{5}\)

(C) \(-\frac{4}{5}\)

(D) \(\frac{4}{5}\)

5 views

1 Answers

Correct answer is (B) \(-\frac{3}{5}\)

5 views