Question

Help me please solve integral cos^2 x * sin^2 x dx

Answer 1

you can first use the result,
\(\large \sin2x = 2 \sin x\cos x\)
Square it, what you get ?

Answer 2

then it will 1/4 integral sin^2 x dx
am i right?

Answer 3

sorry, sin^2 2x dx

Answer 4

yes.

Answer 5

can you integrate that ?

Answer 6

and what then?

Answer 7

no

Answer 8

i dont know how

Answer 9

use the result
\(\sin^2 \theta = (1-\cos 2\theta)/2\)

Answer 10

thanks, i will try

Answer 11

good, ask if you don't get it or any other doubts on this.

Answer 12

thank you, i solved it! :)

Answer 13

thats great!
welcome ^_^