Computer Science, asked by darshan9823, 11 months ago

sin A + sinB÷cos A + cosB= tan(A+B/2)

Answers

Answered by hrn21agmailcom

1

Answer:

see below

Explanation:

sin A + sinB÷cos A + cosB

= 2[sin(A+B)/2]cos[(A-B)/2] ÷ 2cos[(A+B)/2]cos[(A-B)/2]

=sin(A+B)/2 ÷ cosA+B)/2

= tan(A+B)/2

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