C3 Flashcards
1
Q
What is the derivative of cosecx
A
-cosecxcotx
2
Q
What is cosecx
A
1/sinx
3
Q
What is secx
A
1/cosx
4
Q
At which point does y=lnx pass through the x axis
A
(1,0)
5
Q
What is the inverse of e^x
A
lnx
6
Q
What point do all exponentials pass through
A
(0,1)
7
Q
What is the derivitive of cosx
A
-sinx
8
Q
What is the derivitive of sinx
A
cosx
9
Q
What is the derivitive of lnx
A
1/x
10
Q
What is the tan double angle formula
A
(2tanA)/(1-tan²A)
11
Q
What is the chain rule
A
dy/dx=dy/du x du/dx
12
Q
What is the product rule
A
u dv/dx + v du/dx
13
Q
What is the cos double angle formula
A
cos²A-sin²a or 2cos²A-1 or 1-2sin²A
14
Q
What function is a reflection of f(x) in the y=x line
A
f-1(x)
15
Q
What is the derivitive of tanx
A
sec²