Math, asked by agrlashwin04, 1 year ago

If sin alpha + sin beta=a and cos alpha+ cos beta = b, then find cos(alpha+beta)

Answers

Answered by mohit17032003

1

b is the answer bro

Cos(alpha+beta) can be further simplified as Cos alpha+Cos beta

AND ACCORDING TO THE QUESTION Cos alpha +Cos beta = b

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