(1)sin45°-cos60°+tan60°=还有:(2)cos²30°+sin²30°-tan45°=(3)sin30°-tan30°+cos45°=(4)cos30°-sin45°/sin60°-cos45°(5)sin²30°+2sin60°+tan45°-tan60°+cos²30°
问题描述:
(1)sin45°-cos60°+tan60°=
还有:(2)cos²30°+sin²30°-tan45°=
(3)sin30°-tan30°+cos45°=
(4)cos30°-sin45°/sin60°-cos45°
(5)sin²30°+2sin60°+tan45°-tan60°+cos²30°
答