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:六六作业网 时间:2024/04/29 09:11:21
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)cos

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