①(根号3)sinx-cosx②(3/2)cosx-(根号3/2)sinx③3(根号15)sinx+3根号5cosx

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①(根号3)sinx-cosx②(3/2)cosx-(根号3/2)sinx③3(根号15)sinx+3根号5cosx
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①(根号3)sinx-cosx②(3/2)cosx-(根号3/2)sinx③3(根号15)sinx+3根号5cosx
①(根号3)sinx-cosx
②(3/2)cosx-(根号3/2)sinx
③3(根号15)sinx+3根号5cosx

①(根号3)sinx-cosx②(3/2)cosx-(根号3/2)sinx③3(根号15)sinx+3根号5cosx

①√3sinx-cosx = 2sin(x-π/6)
② 3/2cosx-√3/2sinx =√3(√3/2cosx - 1/2sinx)=√3sin(π/3 - x)
③3√15sinx+3√5cosx = 6√5(√3/2sinx + 1/2cosx)= 6√15sin(x+π/6)