作业帮化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/17 05:39:29
![化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],](/uploads/image/z/1129626-18-6.jpg?t=%E5%8C%96%E7%AE%80%EF%BC%9A%EF%BC%882cos%26%23178%3B%CE%B1-1%EF%BC%89%2F%5B2tan%28%28%CF%80%2F4%29-+%CE%B1%29%5D%2A%7Bcos%26%23179%3B%5B%28%CF%80%2F4%29-+%CE%B1%5D%2C)
化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],
化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],
化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],
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来源：学生作业帮助网 编辑：作业帮 时间：2024/05/17 05:39:29
化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],
化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],
化简：（2cos²α-1）/[2tan((π/4)- α)]*{cos³[(π/4)- α],