sin50°(1+根号3tan10°)求值、
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sin50°(1+根号3tan10°)求值、
sin50°(1+根号3tan10°)
= sin50°(cos10°+根号3sin10°) / cos10°
= sin50° * 2(cos60°cos10°+sin60°sin10°) / cos10°
= sin50° * 2 cos(60°-10°) / cos10°
= 2 sin50°cos50° / cos10°
= sin100° / cos10°
= sin(180°-80°) / cos10°
= sin80° / cos10°
= sin(90°-10°) / cos10°
= cos10° / cos10°
=1
= sin50°(cos10°+根号3sin10°) / cos10°
= sin50° * 2(cos60°cos10°+sin60°sin10°) / cos10°
= sin50° * 2 cos(60°-10°) / cos10°
= 2 sin50°cos50° / cos10°
= sin100° / cos10°
= sin(180°-80°) / cos10°
= sin80° / cos10°
= sin(90°-10°) / cos10°
= cos10° / cos10°
=1
sin50°(1+根号3tan10°)求值、
求值{cos40°+sin50°(1+根号3tan10°)}/1+sin50°
求值sin50°(1+根号3tan10°)(过程)
求值:(tan10°-根号3)cos10°÷sin50°
求值:Sin50度(1+根号3乘以tan10度)
sin50°(1+根号3tan10°)
求值:【sin50°[1+根号(3)tan10°]—cos20°】/[cos80°根号(1—cos20°)】
sin50°(1+(根号3)tan10°)=
高中数学+化简sin50°(1+根号3tan10°)
sin50°(1+根号3tan10°)
求值:(tan10°-√3)×cos10°/sin50°
求值:2sin50°+cos10°*(1+根号3tan10°)/cs35°cos40°+cos50°cos55°