About Mathematical Problems~

2007-09-15 1:48 am
Q:(questions 1 to 6 are about trigonometric function)
1.what is csc?
2.what is sec?
3.what is the relation between csc, sec,tan,cot,sin and cos?
4.what is the whole spelling of csc, sec,tan,cot,sin and cos?
5.what is the picture of csc?
6.what is the picture of sec?
7.there are some mathematical signs looks like : ~ , ^ , -->
8.what is f ' (x)?


Thank you very much~^^

回答 (1)

2007-09-15 3:55 am
✔ 最佳答案
you can go there
V V V V V V V V V V V V V V V V V V V V V V V V V V V V
http://hk.knowledge.yahoo.com/question/?qid=7007050101120

f '(x) is quadratic functions, right?
i am not sure. if it is,
The function in x of the form f( x ) = ax^2 +bx +c, where a, b and c are
constants and a is not = 0, is called a quadratic function in x.
By using completing the square method, we can determine the maximum
value or minimum value of a quadratic function.
參考: finding in my test book


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