Help, please :)
![]() |
Help, please :)
You can factor the difference of two cubes as follows:
So if you factor out the left side of the equation, notice that you'll end up with a sin^2(x) and a cos^2(x) in the second set of parentheses. Those will add together to become 1.
See if you can take it from there.
All times are GMT -7. The time now is 01:44 AM. |