integral calculus - basic integration for trigonometric function

[ivory pendant]

hope u will get it

if there is prob. there u can ask me

[cedar ravine]

which one do you need help with?

[arctic badge]

number 4 and 5

[cedar ravine]

5, you did too much work

and for both of them I would u-sub both of them first

[arctic badge]

lemme send some of the notes

[cedar ravine]

look at 2 from the top one

you u-subbed the 2x right?

try that for 5

[arctic badge]

ooh

okay lemme try

but is there like a short way to do it haha

[cedar ravine]

I mean kinda

If the integral is sin(2x) its -cos(2x)/2