sin30°+cos45°+tan60°-cot30°=
问题描述:
sin30°+cos45°+tan60°-cot30°=
答
sin30°+cos45°+tan60°-cot30°=1/2+1+根号3-根号3=3/2
sin30°+cos45°+tan60°-cot30°=
sin30°+cos45°+tan60°-cot30°=1/2+1+根号3-根号3=3/2