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Trigonometry Values--0

By the definition of the trigonometric functions,

$\displaystyle \sin 0$ $\textstyle =$ $\displaystyle 0$  
$\displaystyle \cos 0$ $\textstyle =$ $\displaystyle 1$  
$\displaystyle \tan 0$ $\textstyle =$ $\displaystyle 0$  
$\displaystyle \csc 0$ $\textstyle =$ $\displaystyle \infty$  
$\displaystyle \sec 0$ $\textstyle =$ $\displaystyle 1$  
$\displaystyle \cot 0$ $\textstyle =$ $\displaystyle \infty.$  



© 1996-9 Eric W. Weisstein
1999-05-26