化简:1/(sin10°) —根号3/cos10°
化简:1/(sin10°) —根号3/cos10°
化简sin10°-根号3*cos10°
化简1/sin10°-根号3/cos10°
化简:根号(1+2sin10°cos10°)
求1/sin10°-根号3/cos10°的值.
1/sin10°-根号3/cos10°=
化简:(cos10°+根号下3sin10°)/根号下(1-cos80°)=
化简:(根号1-2sin10°×cos10°)比sin10°-根号1-sin^210°
(2cos70°+根号3sin10°)/cos10°
(cos10°-根号3sin10°)/sin20°
根号 1+2sin10°cos10° 怎样化简
化简:sin10'分之1 减去cos10'分之根号3;