contestada

hello can you help me with this plane trigonometry question please and thank you for putting the time for explaining this to me and I thank you for your time and for the question it has to be in exact value because it won't accept decimals

hello can you help me with this plane trigonometry question please and thank you for putting the time for explaining this to me and I thank you for your time an class=

Respuesta :

What you need to do is work using radians instead of using degrees.

[tex]\sin (\frac{5\pi}{3})=-\frac{\sqrt[]{3}}{2}[/tex][tex]\cos (\frac{5\pi}{3})=\frac{1}{2}[/tex]

You could write the first one as:

[tex]Cos(\frac{5\pi}{3})=\text{-}(3)^{(1/2)}/2[/tex]