Question

Simplify: (sin Θ − cos Θ)^2 − (sin Θ - cos Θ)^2

Answer 1

What do you need help with?

Answer 2

This is very easy if you look closely... haha

Answer 3

I think it is 0 but I'm not sure if i'm right? help

Answer 4

help

Answer 5

Yep, it is 0.

Answer 6

how did you get it?

Answer 7

you subtracted (sin Θ − cos Θ)^2 from (sin Θ − cos Θ)^2, which is same, it's like you subtract A from A, so A-A = 0

Answer 8

seemed to easy lol thanks

Answer 9

welcome

Answer 10

are you sure you dont have to use the FOIL method and distribute them out note the problem is squared