Math, asked by kumarv07665, 2 months ago

Evaluate cos 60"cos 30" + sin 60" sin 30".

Answers

Answered by keshavrao2005

0

Answer:

zero

Step-by-step explanation:

because cos60"cos30"+sin60"sin30"=cos(A+B)

=Cos(60+30)=cos90"=0

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