Math, asked by yadavshivanivb, 5 months ago

Cos 60×Cos 30 - Sin 60× Sin so

Answers

Answered by NikhilAhire

3

Answer:

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Step-by-step explanation:

Apply below formula to proof

sinAcosB−cosAsinB=sin(A−B)

sin60

°

cos30

°

−cos60

°

sin30

°

=sin(60−30)

°

=sin30

°

Proved

Answered by anandbhatt18

0

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