標題:
Trigonometry
發問:
(a) Sketch a graph of y = x^2 - 2x - 3 for -2 ≤ x ≤ 4 (b) Show that -√2 ≤ sinθ + cosθ ≤ √2 (c) Let f(θ) = sin2θ - 2(sinθ + cosθ + 1). Using the results of (a) and (b), find the max. and min. values of f(θ) for all real values of θ Dont skip part (a) =P
最佳解答:
As follows: 圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/04-63.jpg 圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/05-54.jpg 圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/06-41.jpg 2010-07-07 15:36:42 補充： http://i707.photobucket.com/albums/ww74/stevieg90/04-63.jpg http://i707.photobucket.com/albums/ww74/stevieg90/05-54.jpg http://i707.photobucket.com/albums/ww74/stevieg90/06-41.jpg
Trigonometry
發問:
(a) Sketch a graph of y = x^2 - 2x - 3 for -2 ≤ x ≤ 4 (b) Show that -√2 ≤ sinθ + cosθ ≤ √2 (c) Let f(θ) = sin2θ - 2(sinθ + cosθ + 1). Using the results of (a) and (b), find the max. and min. values of f(θ) for all real values of θ Dont skip part (a) =P
最佳解答:
As follows: 圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/04-63.jpg 圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/05-54.jpg 圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/06-41.jpg 2010-07-07 15:36:42 補充： http://i707.photobucket.com/albums/ww74/stevieg90/04-63.jpg http://i707.photobucket.com/albums/ww74/stevieg90/05-54.jpg http://i707.photobucket.com/albums/ww74/stevieg90/06-41.jpg
此文章來自奇摩知識+如有不便請留言告知
其他解答:
文章標籤
全站熱搜
留言列表
