Sine Sine Cosine Cosine, I got it!
Geometry
Level
3
If \(x\) and \(y\) are acute angles such that
\[ \frac {\sin x}{\sin y } = \frac {1}{2}, \quad \frac {\cos x}{\cos y } = \frac 3 2 , \]
what is \( \tan^2 (x+y) \)?
by
Guru Prasaadh