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Verified answer
Sin 30°.cos 60°+ cos 30°.Sin 60°= 1/2 . 1/2 + 1/2 √3 . 1/2√3
= 1/4 + 1/4√9
= 1/4 + 1/4.3
= 1/4 + 3/4
= 4/4
= 1
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