tan30°sin60°+cos^30°-sin^45°tan45°
来源：学生作业帮助网 编辑：六六作业网 时间：2025/01/31 17:22:12
tan30°sin60°+cos^30°-sin^45°tan45°tan30°sin60°+cos^30°-sin^45°tan45°tan30°sin60°+cos^30°-sin^45°tan4
tan30°sin60°+cos^30°-sin^45°tan45°
tan30°sin60°+cos^30°-sin^45°tan45°
tan30°sin60°+cos^30°-sin^45°tan45°
tan30°sin60°+cos^30°-sin^45°tan45°
=根号3/3*根号3/2-(根号3/2)^2-(根号2/2)^2*1
=1/2-3/4-1/2
=-3/4
cos²45°+tan30°×sin60°=
cos²45°+tan30°·sin60°
cos²60°+tan30°×sin60°
tan30°sin60°+cos^30°-sin^45°tan45°
tan30°+sin60°+cos45°=?
2cos60°+tan30°-sin60°
tan30°sin60°-cot45°=?
(tan30°+tan45°)/(1-tan30°tan45°)-2sin60°-sin^2 40°-cos^2 40°
cos^245°+1/2tan45°-tan60°分之tan30°-sin60°
cos²45°+sin60°*tan30°-√ （1-tan60°）²
tan45°-cos60°/sin60°×tan30°
tan30°+sin60°-tan45°+cos0°＝?
计算:sin60°+3-tan30°-(cos45°-2)^0
cos60°/1+sin60°*1/tan30°的值
tan30°+sin60°/1-cos60°=
计算:1-cos30°/sin60°+tan30°
1-cos30°/sin60°+tan30°的值
3tan30°-tan45°+2sin60°