Can I get $\cos(x)/\!\cos(y)$ if I have $\sin(x)/\!\sin(y)$?
2026-04-12 03:01:13.1775962873
Can I get $\cos(x)/\!\cos(y)$ if I have $\sin(x)/\!\sin(y)$?
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Hint: Assume that $\sin(x)=0$ and conclude that nothing cannot be said about $\cos(x)/\cos(y)$