AP EAMCET · Maths · Trigonometric Ratios & Identities
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
We know that, sech-1x=log1+1-x2x tanh-1x=12log1+x1-x sinh-1x=logx+x2+1 Substitute the values in the given equation and simplify. elog1+1-1412·12log1+121-12+log12+14+1=2+335+12 =23+35+12 =215+23+35+32 =3+35+23+2152
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