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TS EAMCET · Maths · Inverse Trigonometric Functions

tanh-113+coth-12=

  1. A log6
  2. B log 6
  3. C -log6
  4. D -log 6
Verified Solution

Answer & Solution

Correct Answer

(A) log6

Step-by-step Solution

Detailed explanation

tan h-113+cot h-12 =12log1+131-13+12log2+12-1∵tan h-1x=12log1+x1-x;x∈-1,1 & cot h-1x=12logx+1x-1;x∈R--1,1 =12log2+12log3 =12log3×2 =log6.