Question

2) Cos 60 x Cos 30° + Sin 600 x Sin 30°​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

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

Step-by-step explanation:

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