I dont get this!!! it says find arccos, arcsin, arctan of 0....the back says that arccos = pi/2, and arcsin and arctan = 0...WHY???
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Originally Posted by jonjon1324 I dont get this!!! it says find arccos, arcsin, arctan of 0....the back says that arccos = pi/2, and arcsin and arctan = 0...WHY??? Because $\displaystyle cos \left ( \frac{\pi}{2} \right ) = 0$ and $\displaystyle sin(0) = 0$ and $\displaystyle tan(0) = 0$. -Dan