Math, asked by rshreegh, 8 days ago

derivation of cos(x+y)

Answers

Answered by Anonymous

1

Answer - cos(x+y)

hope it helps

Answered by thamaraichandhiran

1

Answer:

cosxcosy-sinxsiny

Step-by-step explanation:

cosxcosy-sinxsiny

cosxcosy-sinxsiny

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