Question
Question: tan<sup>–1</sup>\(\frac{153}{23}\) + tan<sup>–1</sup>\(\frac{77}{39}\)=...
tan–123153 + tan–13977=
A
tan–13917– p
B
tan–11739
C
tan–17723
D
None of these
Answer
None of these
Explanation
Solution
As LHS is +ive, RHS is –ive
Hence in ans. + p which is not in any option