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Mathematics 15 Online
OpenStudy (anonymous):

More calculus. will post equation. Trig Functions

OpenStudy (anonymous):

\[\cos (\frac{ 5pie}{ 6 })\]

OpenStudy (anonymous):

couldn't find pie

OpenStudy (anonymous):

symbol

OpenStudy (solomonzelman):

lol, for pi. you can type a code "pi" but with a space after and before.

OpenStudy (solomonzelman):

If you are typing not in equation editor do space separation and \pi.

OpenStudy (anonymous):

Oh ok

OpenStudy (anonymous):

Little

OpenStudy (solomonzelman):

what do you want to do, do it in terms of \(\large\color{black}{ \pi }\) or convert to degrees?

OpenStudy (anonymous):

question says Determine the exact value of

OpenStudy (anonymous):

cos(180- theta ) = -cos theta

OpenStudy (anonymous):

5pi/6 = 150 degrees

OpenStudy (anonymous):

now tell me the anwer

OpenStudy (solomonzelman):

\(\large\color{black}{ \cos\left(\begin{matrix} \frac{\LARGE5\pi}{\LARGE6} \\ \end{matrix}\right) }\) \(\large\color{black}{ \cos\left(\begin{matrix} \frac{\LARGE 3\pi}{\LARGE6}+\frac{\LARGE 2\pi}{\LARGE6} \\ \end{matrix}\right) }\)

OpenStudy (solomonzelman):

Simplifying: \(\large\color{black}{ \cos\left(\begin{matrix} \frac{\LARGE \pi}{\LARGE2}+\frac{\LARGE \pi}{\LARGE3} \\ \end{matrix}\right) }\) you can convert those to pi, if you don't know what they are:

OpenStudy (solomonzelman):

I mean convert to degrees**

OpenStudy (solomonzelman):

|dw:1418824435835:dw|

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