(tan45°-cos60°)/sin60°×tan30°详细解答步骤!
问题描述:
(tan45°-cos60°)/sin60°×tan30°
详细解答步骤!
答
(1-1/2) / (√3 /2 * √3 /3)=1
答
原式=(1-1/2)/(√3/2)×√3/3
=1/√3×√3/3
=1/3