(1)(tan8分之派)/(1-tan8分之派的平方) (2)(tan8分之派)/(1+tan8分之派的平方) (答案要精确值,计算机按出来的是无限小数)
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![(1)(tan8分之派)/(1-tan8分之派的平方) (2)(tan8分之派)/(1+tan8分之派的平方) (答案要精确值,计算机按出来的是无限小数)](/uploads/image/z/3905072-8-2.jpg?t=%EF%BC%881%EF%BC%89%28tan8%E5%88%86%E4%B9%8B%E6%B4%BE%29%2F%281-tan8%E5%88%86%E4%B9%8B%E6%B4%BE%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%89+%EF%BC%882%EF%BC%89%EF%BC%88tan8%E5%88%86%E4%B9%8B%E6%B4%BE%EF%BC%89%2F%281%2Btan8%E5%88%86%E4%B9%8B%E6%B4%BE%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%89+%EF%BC%88%E7%AD%94%E6%A1%88%E8%A6%81%E7%B2%BE%E7%A1%AE%E5%80%BC%2C%E8%AE%A1%E7%AE%97%E6%9C%BA%E6%8C%89%E5%87%BA%E6%9D%A5%E7%9A%84%E6%98%AF%E6%97%A0%E9%99%90%E5%B0%8F%E6%95%B0%EF%BC%89)
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