在数列an中,a1=sinθ不等于0,an+1=an*cosθ(n属于N),如果lim(a1+a2+……an)=根号3,求θ得值.
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![在数列an中,a1=sinθ不等于0,an+1=an*cosθ(n属于N),如果lim(a1+a2+……an)=根号3,求θ得值.](/uploads/image/z/14277268-28-8.jpg?t=%E5%9C%A8%E6%95%B0%E5%88%97an%E4%B8%AD%2Ca1%3Dsin%CE%B8%E4%B8%8D%E7%AD%89%E4%BA%8E0%2Can%2B1%3Dan%2Acos%CE%B8%28n%E5%B1%9E%E4%BA%8EN%29%2C%E5%A6%82%E6%9E%9Clim%28a1%2Ba2%2B%E2%80%A6%E2%80%A6an%29%3D%E6%A0%B9%E5%8F%B73%2C%E6%B1%82%CE%B8%E5%BE%97%E5%80%BC.)
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