Cos pi 4 x sin pi 4
- cos square pi by 4 x sin square pi by 4 minus x is independent of x
- cos 3 pi 4 x sin pi 4 x
- cos 3 pi by 4 x sin pi by 4 minus x
- cos 2 pi 4 x sin 2 pi 4 x is independent of x
- cos 2 pi 4 x sin 2 pi 4 x sin 2x
- sin pi 4 x )+ sin pi 4 x )u003d sqrt 2 cos x
- cos 2 pi 4 x )- sin 2 pi 4 x )u003d sin2x
- cos square pi by 4 x sin square pi by 4 minus x
- cos 2 pi 4 x )- sin 2 pi 4 x
- cos pi 4 x sin pi 4
