(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
Trigonometry
2010-07-07 5:54 am
回答 (1)
2010-07-07 11:36 pm
✔ 最佳答案
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
收錄日期: 2021-04-22 00:49:16
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