discuss-forum?question_id=210452-BD-Merit-Freelancing,-BCS,-Bank,-Primary,-Admission,-NTRCA

Discuss Forum

1. $\sin^{- 1} \frac{2 a}{1 + a^{2}} - \cos^{- 1} \frac{1 - b^{2}}{1 + b^{2}} = 2 \tan^{- 1} x$

Answer: Option C

Explanation:

Post your comments here:

Name:

Mobile:

Email:(Optional)

» Your comments will be displayed only after manual approval.