化简:sin10°sin50°sin60°sin70°
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/21 02:51:52
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化简:sin10°sin50°sin60°sin70°
化简:sin10°sin50°sin60°sin70°
化简:sin10°sin50°sin60°sin70°
1/8sin70
化简:sin10°sin50°sin60°sin70°
化简:2sin50°+sin10°/cos10°
化简(2sin50°+sin10°)/cos10°
化简[2sin50°+sin10°(1+√3tan10°)] √(2sin280°)
化简:[2sin50°+sin10°(1+根号3*tan10°)]*根号sin^280°
sin20°cos70°+sin10°sin50°等于
求值sin10°sin30°sin50°sin70°
sin10°sin30°sin50°sin70°=?
sin20°cos70°+sin10°sin50°
sin20°cos70°+sin10°sin50°
sin20°cos70°+sin10°sin50°等于
cos10°sin40°-sin10°sin50°
sin10°sin40°+sin50°cos10°
sin10°sin30°sin50°sin70°=?
sin10°*sin30°*sin50°*sin70° 怎么做?
sin10°sin30°sin50°sin70°=?
2sin50°+2sin10°sin40°/cos10°
(sin10°+cos50°)/(cos10°-sin50°)?