化简:1/(1+sin²α)+1/(1+cos²α)+1/(1+sec²α)+1/(csc²α)如题,我实在化不出来
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 08:28:53
![化简:1/(1+sin²α)+1/(1+cos²α)+1/(1+sec²α)+1/(csc²α)如题,我实在化不出来](/uploads/image/z/5158563-51-3.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A1%2F%281%2Bsin%26%23178%3B%CE%B1%29%2B1%2F%281%2Bcos%26%23178%3B%CE%B1%29%2B1%2F%281%2Bsec%26%23178%3B%CE%B1%29%2B1%2F%28csc%26%23178%3B%CE%B1%29%E5%A6%82%E9%A2%98%2C%E6%88%91%E5%AE%9E%E5%9C%A8%E5%8C%96%E4%B8%8D%E5%87%BA%E6%9D%A5)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/08/05 08:28:53