[​3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx[3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx

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[​3√(1-cos^2x)]/sinx-(2cosx∣tanx∣)/sinx[3√(1-cos^2x)]/sinx-(2cosx∣tanx∣)/sinx[​3√(1-cos^

[​3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx[3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx
[​3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx
[3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx

[​3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx[3√(1-cos^2x)]/sinx - ( 2cosx∣tanx∣)/sinx
[3√(1-cos²x)]/sinx- ( 2cosx∣tanx∣)/sinx

=3√sin²x/sinx-2cotx|tanx∣
=3|sinx|/sinx-2cotx|tanx|

x在第一象限时,原式=3-2=1

x在第二象限时,原式=3-(-2)=5

x在第三象限时,原式=-3-2=-5

x在第四象限时,原式=-3-(-2)=-1