Question

cos60°cos30° +sin60°sin30°=​

Answer 1

cos60°=1/2

cos30°=√3/2

sin60°=√3/2

sin30°=1/2

ATQ

cos60°cos30° +sin60°sin30°

(1/2×√3/2)+(1/2×√3/2)

=√3+√3=2√3

Answer 2

Step-by-step explanation:

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