Math, asked by snehashish82, 9 months ago

CULUT CUL
cos 67°24' cos 7°24' + cos 82°36' cos 22°36' =>

Answers

Answered by sprao53413

5

Answer:

=cos67°24¦ cos7°24!+sin7°24!sin 67°24!

=cos 60°=1/2

We know cos (A-B) =cosAcosB+sinAsinB

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