1. ## Trigonometrikus Pitagoras

4sin^2*x+4cos^2*x=4

2. ## Re: Trigonometrikus Pitagoras

Originally Posted by gab17
4sin^2*x+4cos^2*x=4
If the problem is $4\sin^2(x)+4\cos^2(x)=4$ then any real number $x$ solves it.