Y = a sin x + b cos x
Teori
[math]\displaystyle{ \sin \theta = \cos \left(\frac{\pi}{2} - \theta \right) = \sqrt{a^2} }[/math]
[math]\displaystyle{ \sin \theta = \cos \left(\frac{\pi}{2} - \theta \right) = \sqrt{a^2} }[/math]
Funktionen y = a sin x + b cos x av Daniel Barker