《初中三角函数计算题100道.doc》由会员分享,可在线阅读,更多相关《初中三角函数计算题100道.doc(14页珍藏版)》请在三一办公上搜索。
1、(1) sin260cos260 (2)-tan450(3)cos45sin30 (4)sin2300+cos2300(5)tan45sin30cos60 (6) (7)2sin300cos450 (6)sin600cos600 (8)2sin30+3cos60-4tan45 (9)cos30sin45+sin30cos45 (10) (11) cos30+sin45 (12)2sin300+3sin6004tan450 (13)tan300sin450+tan600cos450 (14)(15);(16)=_(17) (19)sin230+cos245+sin60tan45; (20)+ s
2、in45(21)(22)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)(39)(40)sin45+3tan30+4cos30(41)cos260tan45+sin60tan60 (42)(43)(44)(45)(46)(47)(48)(49)(50)(51)(52)(53)(54)(55)(56)(57)(58)(59)(60)(61)(62)(63)(64)(65)(66)(67)(68)(69)(70)(71)(72)(73)(74)(75)(76)(77)(78)(79)(80)(81)(82)(83)(84)(85)(86)(87)(88)(89)(90)(91)(92)(93)(94)(95)(96)(97)(98)(99)(100)37(76):1(77):2