- #1
Nyasha
- 127
- 0
Homework Statement
[tex]cos(ArcSec(-\sqrt2+\frac{\pi}{4})[/tex]
The Attempt at a Solution
[tex]cos(ArcSec(-\sqrt2+\frac{\sqrt2}{2})[/tex]
In order to solve this problem how do l deal with the [tex]\frac{\pi}{4}[/tex]. Is it correct to substitute [tex]\frac{\pi}{4}[/tex] with [tex]\frac{\sqrt2}{2}[/tex]