Math, asked by raghininarayanan, 1 month ago

sin(x + y) + sin(x - y) =
a) 2 sinx cosy
b) 2cosx siny
d) 2cosx cosy
c) 2sinx siny
please answer and also give explaination.

Answers

Answered by anuska0981

1

Answer:

a)2sinx cosy your answer

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