根号sin^2 150°+sin^2 35° +2sin210°+cos^2 325°根号sin^2 150°+sin^2 35° +2sin210°+cos^2 325°
来源:学生作业帮助网 编辑:作业帮 时间:2024/10/18 08:37:25
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为什么根号3sinα+cosα=2sin(α+30°)
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根号sin^2 150°+sin^2 35° +2sin210°+cos^2 325°根号sin^2 150°+sin^2 35° +2sin210°+cos^2 325°
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