Recent content by Fred1230

s=\sin\alpha and c=\cos\alpha

Returning if I have to show the effort, I came to this: \frac{\sin4\alpha}{1+\cos4\alpha}\cdot\frac{\cos2\alpha}{1+\cos2\alpha}\cdot\frac{\cos\alpha}{1+\cos\alpha}=\tan\frac{\alpha}{2}. =...

I am a high school student. I am very interested in science math biology and chemistry. I enjoy off-road riding on quads and other all-terrain vehicles. I am very fond of the band Led Zeppelin and Guns N' Roses. I am happy to be a part of this forum and count on solutions and tips from which I...