sin30°/sin60°-tan60°=

sin30°/sin60°-tan60°= tan60°分之sin60°-sin30° sin30°·tan45°+根号2·cos45°+sin60°·tan60° (sin30°)/(sin60°−cos45°) - tan60° 等于多少? 求值sin30°,tan45°+根号2,cos45°+sin60,tan60°,分别求出, sin60 sin30 cos60 cos30 sin45 cos45 tan30 tan60 tan45°各等于多少 sin30+sin60+tan60=...? tan30° sin30° cos30° tan60° sin60° cos60° tan45°tan30° sin30° cos30°tan60° sin60° cos60°tan45° sin45° cos45° 【sin30°/（sin60°-cos45°）】—（根号下（1—tan60°）²）—tan45° 数学问题解数学题：计算题（答好必采纳）sin30°-cos45*tan60°+sin60°/cos45°-tan45° sin45°-cos30°+tan60°=?sin60°+tan45°-cos30°=?cos60°-tan30°+sin30°=?sin30°+cos45°=? 九下数学计算题；求解!(1)3sin60°-cos30° 、 (2)sin30°tan60° (3)2sin30°-3tan45°+4cos60° tan60°-2sin30°×cos30° |cos45°-sin60°|+根号sin30° sin30°－sin60°=? Sin30°=?；Sin45°=?；Sin60°=?；Cos30°=?；Cos45°=?；Cos60°=?；tan30°=?；tan45°=?；tan60°=? sin45°-cos30°+tan60°等于多少?（2）sin60°+tan45°-cos30°（3）cos60°-tan30°+sin30° tan平方30°＋2sin60°＋tan45°乘以sin30°-tan60°+cos平方30°＝?