Trigonometric values of special angles

tvosa

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\def\arraystretch{2.4} \begin{array}{|c|c|c|c|c|c|} \hline &0\degree &30\degree&45\degree&60\degree&90\degree \\ \hline \sin&0&\dfrac{1}{2}&\dfrac{\sqrt{2} }{2}&\dfrac{\sqrt{3} }{2}&1 \\ \hline \cos&1&\dfrac{\sqrt{3} }{2}&\dfrac{\sqrt{2} }{2}&\dfrac{1}{2} &0\\ \hline \tan&0&\dfrac{\sqrt{3} }{3}&1&\sqrt{3} &\infty\\ \hline \cot&\infty&\sqrt{3}&1&\dfrac{\sqrt{3} }{3} &0\\ \hline \end{array}


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