Question

Cos 60 cos 30+sin 60 sin 30 is equal to

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Answer 1

Answer:

Cos 60 cos 30+sin 60 sin 30

=(1/2)(√3/2) +(√3/2)(1/2)

=√3/4 +√3/4

=2√3/4

=√3/2

Hope it helps u.....^_^