integration Flashcards
(7 cards)
1
Q
cant integrate , tan squared, cos squared and sin squared. what do you do?
A
tan- use: sec squared - 1
sin- use: 1/2-1/2 cos2x, COS2A FORMULA
cos- use: 1/2cos2x + 1/2, COS2A FORMULA
2
Q
cos x
A
sin x
3
Q
sin x
A
- cos x
4
Q
integrate (secx+tanx)^2 dx, what do you do
A
expand first , then integrate using identities
5
Q
what do u always forget
A
+C
6
Q
what should you think to do if there are fractions in an integration question
A
partial fractions
7
Q
partial fraction with repeeated root denominator
A
1) same, same squared, same
2) like quadratic