Math, asked by shivanijadhav3726, 1 year ago

Prove geometrically that cos(x+y)=cosxcosy-sinxsiny

Answers

Answered by sandy1816

46

Step-by-step explanation:

cos(x+y)=cosxcosy-sinxsiny

your answer attached in the given photos

Attachments:

Answered by Omiibargaonkar

8

Step-by-step explanation:

here is your answer

hope it helps u

Attachments:

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