plz plz give me the answer
explain step by step
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2x30°=cosx30°
60°= cosx30°
cos= 60/30°
cos= 2° answer
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1
Step-by-step explanation:
sin 2×30 = 2 sin30 × cos30
sin60 = 2 × 1/2 × √3/2
√3/2 = √3/2
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