pls solve

Asked by  | 20th Jul, 2009, 11:49: AM

Expert Answer:

tan2A

=tan[(A+B)+(A-B)]

=tan(A+B)+tan(A-B)/[1-tan(A+B)tan(A-B)]

=m+n/1-mn

pl send one question in one query.

as such the second part is just like the first part.. similar in method

Answered by  | 20th Jul, 2009, 07:54: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.