文档介绍
22(1)sin60°+cos60(2)22cos45o0-tan450sin45o(3)cos45°-sin30°(4)sin2300+cos2300(5)tan45°-sin30°·cos60°(6)cos22ta7)2sin3000-cos45(6)sin60cos60(8)2sin30°+3cos60°-4tan45°(9)cos30°sin45°+sin30°cos45°(10)sin600100tan602tan45(11)3cos30°+2sin45°(12)2sin300+3sin600-4tan4500000sin300000000(13)tan30sin45+tan60cos45(14)00tan6002tan450(15)sin300cos600,tan450cot600(16)cos60sin2451tan2304cos30sin30;=;(17)tan3001tan300tan450tan450sin450cos300sin300(cos450sin600)32cos600(19)sin230°+cos245°+2sin60°·tan45°;(20)cos230cos260tan60tan30+sin4