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Mathematics 19 Online
OpenStudy (umulas):

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OpenStudy (anonymous):

\[\cot=\frac{\cos}{\sin}\]

OpenStudy (anonymous):

\[\cot \frac{ 3\theta }{ 2 }=\frac{ -\sqrt{3} }{ 3 }\] \[\tan \frac{ 3\theta }{ 2 }=\frac{ -3 }{ \sqrt{3} }=-\sqrt{3}\] \[\frac{ 3\theta }{ 2 }=\frac{ 5\Pi }{ 3 }\]

OpenStudy (umulas):

Thanks! Really appreciate it, I'll look back on my notes on you were able to do it

OpenStudy (anonymous):

you may also look at the graph, then you can see the values of tan(x) will be undefined at some points in [0, 2pi)

OpenStudy (anonymous):

TheSmartOne (thesmartone):

cot^-1 (-4.1) is the same as cot (x) = -4.1

OpenStudy (umulas):

I will fan anyone who can help me with this answer please

OpenStudy (anonymous):

plot of cot^-1. You'll notice it's only undefined at pi/2, -pi/2, pi, ...

OpenStudy (anonymous):

you can translate your problem into -pi/2 to pi/2 if you want your calculator to give a answer.

OpenStudy (anonymous):

Hello!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

TheSmartOne (thesmartone):

Hello...?

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