1
Q
Sin 2A
A
2sinAcosA
2
Q
Cos2A
A
Cos^2(A)- sin^2(A) 1-2sin^2(A) 2cos^2(A)-1
3
Q
Tan 2A
A
2tanA / 1-tan^2(A)
4
Q
Un arithmetic (the nth term)
A
a+(n-1) d
5
Q
Un geo (the nth term)
A
Un=ar^(n-1)
6
Q
Integrate: f’(x)/f(x) dx
A
Ln|f(x)| + c
Adjust with multipliers
7
Q
Integrate: f’(x) [f(x)]^n dx
A
F(x)^n+1
____________
n+1
Chemistry
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