Question

PROVE THAT :
Sin (A+B)cos(A-B)
+ Sin (A-B)cos(A+B) = Sin 2 A
PLEASE SEND CORRECT ANSWER DON'T SAY THAT YOU DON'T KNOW THE ANSWER ​

Answer 1

Answer:

it is in form of sin a cos b+ sin b cos a

so sin ( a+ b + a-b) = sin 2a

learn formulas it will be easy for u dear

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