Math, asked by rushikeshmaind100, 6 months ago

2sin A sinB =
a) cos(A+B) - cos(A-B)
b) cos(A+B) + cos(A-B)

c) sin(A+B)-sin(A-B)
d) sin(A+B) + sin(A-B)

Answers

Answered by roshniy642

0

Answer:

(b) cos (A+B)+cos(A+B)

Step-by-step explanation:

it may help you

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