Math, asked by dulalchdas74, 10 months ago

solve this:
cos 38° cos 52º - sin 38° sin 52° = 0

Answers

Answered by CHRk9753

1

Answer:

cos(A+B) =cosA×cosB -sinA×cosB

Step-by-step explanation:

cos(52+38) =cos90=0

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