根号2sin60°+根号2/2cos45°-根号3/2tan60°-根号3cos30°
cos60°+tan60° 2/根号2sin45°+sin60°-2cos45°
根号【cos45°-cos30°】*2-tan60°分之tan45°+sin45°
计算:sin60°-cos60°+2sin30°cos30° 根号三sin60°-根号2cos45°+根号8的立方
2sin30°·cos45°-(sin60°)负二次方+根号3tan30°
根号3乘以括号2COS45°减SIN60°括号加4分之根号24 等于多少
计算 :2+|1-根号2|-tan60°+根号3减根号2分之1-根号18
|cos45°-sin60°|+根号sin30°
-2^2+根号下12*tan60°-2^(-1)+|1-2cos30°|化简
(根号5-1)0次方+/1-根号3/+3tan60°-2²-根号48
1/2cos30°+根号2/2cos45°-sin30°-sin45°
(1)sin60°-tan45°; (2)cos60°+tan60°; (3)根号2 /2 sin45°+sin60°-
【sin30°/(sin60°-cos45°)】—(根号下(1—tan60°)²)—tan45°