作业帮化简[sin²(α+π)cos(α+π)]/tan(α+π)cos³(-α-π)tan(-α-2π)化简sin²(α+π)cos(α+π)/tan(α+π)cos³(-α-π)tan(-α-2π)
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/05 13:49:31
![化简[sin²(α+π)cos(α+π)]/tan(α+π)cos³(-α-π)tan(-α-2π)化简sin²(α+π)cos(α+π)/tan(α+π)cos³(-α-π)tan(-α-2π)](/uploads/image/z/657587-11-7.jpg?t=%E5%8C%96%E7%AE%80%5Bsin%26%23178%3B%28%CE%B1%2B%CF%80%29cos%28%CE%B1%2B%CF%80%29%5D%2Ftan%28%CE%B1%2B%CF%80%29cos%26%23179%3B%28-%CE%B1-%CF%80%29tan%28-%CE%B1-2%CF%80%29%E5%8C%96%E7%AE%80sin%26%23178%3B%28%CE%B1%2B%CF%80%29cos%28%CE%B1%2B%CF%80%29%2Ftan%28%CE%B1%2B%CF%80%29cos%26%23179%3B%28-%CE%B1-%CF%80%29tan%28-%CE%B1-2%CF%80%29)
化简[sin²(α+π)cos(α+π)]/tan(α+π)cos³(-α-π)tan(-α-2π)化简sin²(α+π)cos(α+π)/tan(α+π)cos³(-α-π)tan(-α-2π)
化简[sin²(α+π)cos(α+π)]/tan(α+π)cos³(-α-π)tan(-α-2π)
化简sin²(α+π)cos(α+π)/tan(α+π)cos³(-α-π)tan(-α-2π)
化简[sin²(α+π)cos(α+π)]/tan(α+π)cos³(-α-π)tan(-α-2π)化简sin²(α+π)cos(α+π)/tan(α+π)cos³(-α-π)tan(-α-2π)
sin²(α+π)cos(α+π)/tan(α+π)cos³(-α-π)tan(-α-2π)
=sin²αcosα/tanα(-cos³α)(-tanα)
=1.
=1