Math, asked by john44, 1 year ago

please tell me how this(3) came??

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Answers

Answered by Bhupes123
0
the formula of sinx = 2sinx/2.cosx/2
and1+cosx=2cos^2x/2
john44: please give proper explanation
Bhupes123: are u in which class
john44: 11
john44: y??
Bhupes123: ok
Answered by mysticd
0
i hope this will usful to u
Attachments:
john44: please can you tell me where i can find such problems
john44: in which concept of trig
mysticd: compound angles in trig
john44: oh thanks
mysticd: :)
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