1.) y= cos x at x=π/2
2.) y= tan x at x=π/4
Thanks!
更新1:
Please the first principles.
Differentiation
2008-08-26 8:32 am
Find the slope of the tangents to each of the following curves at the given value of x.
1.) y= cos x at x=π/2
2.) y= tan x at x=π/4
Thanks!
1.) y= cos x at x=π/2
2.) y= tan x at x=π/4
Thanks!
回答 (1)
2008-08-26 10:06 am
✔ 最佳答案
As follows:圖片參考：http://hk.geocities.com/stevieg_1023/0fp1.gif
圖片參考：http://hk.geocities.com/stevieg_1023/0fp2.gif
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https://hk.answers.yahoo.com/question/index?qid=20080826000051KK00095