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(2 x 30°) = 2 sin 30° - cos 30° L4 tan 3 3030, |
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Answer» Sin60 ° = sin2*× 30° from LHS sin60° = √3/2 from RHS 2 sin30° ×cos30° = 2×1/2×√3/2 2√3/2×2 √3/2 LHS = RHSNow tan30=1/√32tan30/1+tan^230=2*1/√3/1+1/3=2/√3/4/3=√3/2 |
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