Evaluate. Sin²60°
cos² 30° + sin 30°
cos 60°
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Answer:
sin 60° cos 30° + sin 30° cos 60°
= √3/2 x √3/2 + 1/2 x 1/2
= 3/4 + 1/4
= (3 + 1)/4
= 4/4
= 1
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