Need help with this: tan(pi/2 + arctan(1/2)) Cheers!
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Hello, Originally Posted by Erzenwald Need help with this: tan(pi/2 + arctan(1/2)) Cheers! Here is my way but you can do the way you want... (you can check it on a unit circle) Therefore So
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About LinkBacksOriginally Posted by Erzenwald
\right)=-\frac{1}{\tan(\arctan \left(\tfrac 12\right))}=-\frac{1}{\tfrac 12}=\boxed{-2})
