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求f(x)=2acos^2xbsinxcosxinclude
题目详情
求f(x)=2acos^2x bsinxcosxinclude
▼优质解答
答案和解析
∠DAB=60°,AD=AA1相对y=sinx平方 cosx平方与y=1A:B=B:C=3相对3AB BC CA)/2=0
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