数学F(X)=sin(∏/3+4x)+cos(4x-∏/6) 化简结果为多少?
4个回答
2sin(∏/3+4x)
运用两角和与差的三角函数公式
sin(α+β)=sinαcosβ+cosαsinβ
cos(α-β)=cosαcosβ+sinαsinβ
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