(tan45°-cos60°)/sin60°×tan30°详细解答步骤!

问题描述:

(tan45°-cos60°)/sin60°×tan30°
详细解答步骤!

(1-1/2) / (√3 /2 * √3 /3)=1

原式=(1-1/2)/(√3/2)×√3/3
=1/√3×√3/3
=1/3