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How do I find the value of cos (3Pi/2)?

1 Answer

Sep 5, 2015

$cos (\frac{3 π}{2}) = 0$ $cos((3pi)/2)=0$

Explanation:

You can calculate it using reduction formula.

$cos (\frac{3 π}{2}) = cos (2 π - \frac{π}{2}) = cos (\frac{π}{2}) = 0$ $cos((3pi)/2)=cos(2pi-pi/2)=cos(pi/2)=0$

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