Math, asked by subratsahu737, 1 year ago

Cos(x+y)=cos x.cos y-sin x.sin y (prove it)
Hope I will got my ans very soon....

Answers

Answered by gautam96

2

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It is Proved in the attachment that have provided in answer....

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Attachments:

Answered by manissaha129

2

Step-by-step explanation:

ok dear have a nice day ahead

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