已知1+tan(θ(西塔)+720) / 1-tan(θ-360)=3+2根号2.求【cos的平方·(π-θ)+sin(π+θ)·cos(π-θ)+2sin的平方(θ-π)】乘上1/ cos的平方(-θ-2π)的值可以简写,最好详细点.θ如果麻烦可以a代
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![已知1+tan(θ(西塔)+720) / 1-tan(θ-360)=3+2根号2.求【cos的平方·(π-θ)+sin(π+θ)·cos(π-θ)+2sin的平方(θ-π)】乘上1/ cos的平方(-θ-2π)的值可以简写,最好详细点.θ如果麻烦可以a代](/uploads/image/z/8825053-13-3.jpg?t=%E5%B7%B2%E7%9F%A51%2Btan%EF%BC%88%CE%B8%EF%BC%88%E8%A5%BF%E5%A1%94%EF%BC%89%2B720%EF%BC%89+%2F+1-tan%EF%BC%88%CE%B8-360%EF%BC%89%3D3%2B2%E6%A0%B9%E5%8F%B72.%E6%B1%82%E3%80%90cos%E7%9A%84%E5%B9%B3%E6%96%B9%C2%B7%EF%BC%88%CF%80-%CE%B8%EF%BC%89%2Bsin%EF%BC%88%CF%80%2B%CE%B8%EF%BC%89%C2%B7cos%EF%BC%88%CF%80-%CE%B8%EF%BC%89%2B2sin%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%88%CE%B8-%CF%80%EF%BC%89%E3%80%91%E4%B9%98%E4%B8%8A1%2F+cos%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%88-%CE%B8-2%CF%80%EF%BC%89%E7%9A%84%E5%80%BC%E5%8F%AF%E4%BB%A5%E7%AE%80%E5%86%99%2C%E6%9C%80%E5%A5%BD%E8%AF%A6%E7%BB%86%E7%82%B9.%CE%B8%E5%A6%82%E6%9E%9C%E9%BA%BB%E7%83%A6%E5%8F%AF%E4%BB%A5a%E4%BB%A3)
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