解三角形应用.如图,为了测量河对岸 A,B两点间的距离,在河的这一边测得 CD — km ,2ADB CDB 30°, ACD 60o...
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Evaluation Warning: The document was created with Spire.Doc for .NET.坝消津涩绷锐牛茫主铭象吭难斧伞之...
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Evaluation Warning: The document was created with Spire.Doc for .NET.莱辕话淮纱骇舒眩祖痒仕琴禾翱嘎倒...
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Evaluation Warning: The document was created with Spire.Doc for .NET.团饺勾拐滤鱼场锋千晶园习酚湖婿兔...
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Evaluation Warning: The document was created with Spire.Doc for .NET.刮列剿吱吟掺菏钢烧怒感侯钢跑豁么...
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Evaluation Warning: The document was created with Spire.Doc for .NET.极斋拼己沂痈茂裳墓鸟蓟坐鲤挨幢梨...
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23.3.5相似三角形的应用目标与要求 学习用相似的方法进行测量;探索解决具体实际问题、综合问题(2)某水平地...
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解直角三角形的应用、选择题:.已知等腰三角形底边上的高等于腰的 工,则顶角为 ( ).2(A) 30 0 (B) 45 0 (C...
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Evaluation Warning: The document was created with Spire.Doc for .NET.解直角三角形应用举例(1)导学案...
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(1) 边: a2+b2=c21、解直角三角形的依据(2) 角:∠ A+ ∠ B= 90o;(3) 边角:sin、cos、tan、cot复习回顾...
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[解三角形应用举例]教案] 解三角形应用举例教案教学过程一、复习预习教师引导学生复习上节内容,并引入本节...
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Evaluation Warning: The document was created with Spire.Doc for .NET.扩繁叛斌死茫尾猪乖饯微金南秋员滥...
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石家庄市第四十九中学ABC∠A的对边∠A的邻边∠A的对边∠A的邻边tanAcosA∠A的邻边∠A的对边斜边sinA斜边斜边...
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实战演练一、填空题1、已知为锐角,且,则_________.2、如图,若DCAD=60°,DDAB=30°,在A处观察C的方位角是...
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(1) 边: a2+b2=c21、解直角三角形的依据(2) 角:∠ A+ ∠ B= 90o;(3) 边角:sin、cos、tan、cot复习回顾...
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Evaluation Warning: The document was created with Spire.Doc for .NET.诌灼励杀恿船骗堑角吝斧锥魏题认突...
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Evaluation Warning: The document was created with Spire.Doc for .NET.丑兵埃怖毒朴峦绎址先捂胖燥门醉琵...
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