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3 sin 60 degree - 4 sin cube 60 degree |
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Answer» 3SIN 60° - 4sin³60° = 3(√3/2) - 4(√3/2)³ = 3√3/2 - 12√3/8 = 3√3/2 - 4√3/2 = -√3/2 |
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