1
Q
Differentiate sin kx
A
kcos kx
2
Q
Differentiate cos kx
A
-ksin kx
3
Q
Differentiate -sin x
A
-cos x
4
Q
Differentiate -cos x
A
sin x
5
Q
Differentiate e^kx
A
ke^kx
6
Q
Differentiate ln x
A
1/x (if ln kx, write as lnk + lnx)
7
Q
Equation to find dy/dx when not in form y = f(x)
A
1/(dx/dy)
8
Q
Differentiate cosec kx
A
-kcosec kx cot kx
9
Q
Differentiate sec kx
A
ksec kx tan kx
10
Q
Differentiate cot kx
A
-kcosec^2 kx
11
Q
Differentiate arcsin x
A
1/(√(1-x^2))
12
Q
Differentiate arccos x
A
-1/(√(1-x^2))
13
Q
Differentiate arctan x
A
1/1+x^2
14
Q
Differentiate tan kx
A
k sec^2 kx
15
Q
Differentiate a^x
A
a^x ln a
16
Q
Differentiate a^kx
A
k(ln a)a^kx
Maths Need To Know
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