Math, asked by kiran46, 1 year ago

is it right say that cos (A+B)=cosA+cosB justify your answer

Answers

Answered by SARDARshubham

1

Cos (A+B) = cosA.cosB-sinA.sinB

hence it is wrong to say that cos(A+B) = cosA+ cosB

kiran46: how can you say that give expan

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