摘要: 可推导出 tanx的公式为 tanx = Fn(k)(x) / x其中Fn(k)(x) = x^2 / (2(n-k) - Fn(k - 1)(x))(define (tan-cf x k) (define (tan-helper k N) (cond ((= k 0) 0) (else (/ (square x) (- (+ (* 2 (- N k)) 1) (tan-helper (- k ... 阅读全文
posted @ 2007-01-05 22:22 浅蓝の天 阅读(144) 评论(0) 推荐(0) 编辑