化简求值sin(-20/3π)cos(43/6π)+sin(35/6π)cos-(17/3π)sin(-20/3π)cos(43/6π)+sin(35/6π)cos-(17/3π)[2sin50°+cos10°(1+根号(3)tan10°)]/根号(1+cos10°)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 23:43:43
![化简求值sin(-20/3π)cos(43/6π)+sin(35/6π)cos-(17/3π)sin(-20/3π)cos(43/6π)+sin(35/6π)cos-(17/3π)[2sin50°+cos10°(1+根号(3)tan10°)]/根号(1+cos10°)](/uploads/image/z/12582668-20-8.jpg?t=%E5%8C%96%E7%AE%80%E6%B1%82%E5%80%BCsin%28-20%2F3%CF%80%29cos%2843%2F6%CF%80%29%2Bsin%2835%2F6%CF%80%29cos-%2817%2F3%CF%80%29sin%28-20%2F3%CF%80%29cos%2843%2F6%CF%80%29%2Bsin%2835%2F6%CF%80%29cos-%2817%2F3%CF%80%29%5B2sin50%C2%B0%2Bcos10%C2%B0%281%2B%E6%A0%B9%E5%8F%B7%EF%BC%883%EF%BC%89tan10%C2%B0%29%5D%2F%E6%A0%B9%E5%8F%B7%281%2Bcos10%C2%B0%29)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 23:43:43