00:01
The what i see on my screen is 2 sine squared of x minus 3 cosine of x plus 3.
00:12
And what i would do is concentrate on the sine squared because what i know is sine squared plus cosine squared equals 1.
00:20
So what i would do is solve for sine squared by subtracting the cosine squared to the right side.
00:28
Now with that 2 in front, i would also multiply everything by 2.
00:33
So what i'm looking at is, let me just rewrite it down here, 2 minus 2 cosine squared of x minus 3 cosine of x plus 3.
00:46
And then i would also combine like terms.
00:49
2 and 3 equals 5.
00:52
So negative 2 cosine squared of x minus 3 cosine of x plus 5.
00:59
At this point i need to find a way of factoring this.
01:02
Now, i'm not sure if negative 2, i don't know if it's a positive or a negative 1, but definitely have a cosine of x times 2 cosine of x.
01:18
Now, i'm not sure which one needs to be negative...