Tangent of Zero

From ProofWiki
Jump to navigation Jump to search

Theorem

$\tan 0 = 0$

where $\tan$ denotes tangent.


Proof

\(\ds \tan 0\) \(=\) \(\ds \frac {\sin 0} {\cos 0}\) Tangent is Sine divided by Cosine
\(\ds \) \(=\) \(\ds \frac 0 1\) Sine of Zero is Zero and Cosine of Zero is One
\(\ds \) \(=\) \(\ds 0\)

$\blacksquare$


Also see


Sources

Retrieved from "https://proofwiki.org/w/index.php?title=Tangent_of_Zero&oldid=625372"