integration

Question 1

cant integrate , tan squared, cos squared and sin squared. what do you do?

Answer 1

tan- use: sec squared - 1

sin- use: 1/2-1/2 cos2x, COS2A FORMULA

cos- use: 1/2cos2x + 1/2, COS2A FORMULA

Question 2

cos x

Answer 2

sin x

Question 3

sin x

Answer 3

• cos x

Question 4

integrate (secx+tanx)^2 dx, what do you do

Answer 4

expand first , then integrate using identities

Question 5

what do u always forget

Answer 5

+C

Question 6

what should you think to do if there are fractions in an integration question

Answer 6

partial fractions

Question 7

partial fraction with repeeated root denominator

Answer 7

1) same, same squared, same
2) like quadratic