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:2024/11/08 06:52:40
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