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I'm completly lost here trying to graph a trig function on my ti-nspire cx cas calculator. I'm asked to graph:

t=time

t(θ) = 75/13 - 25/13cot(θ) + 25/6csc(θ)

where 0≤t≤20 and 0º≤0≤90º

I have searched the web and there are a few tutorials on how to do this, but they only explain how to graph the most basic trig functions. Does anybody know how to do this?

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    First rewrite your function in terms of the basic trig functions the calculator knows.2012-09-24

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Hint: Recall that $\cot(\theta) = \frac{1}{\tan(\theta)}$ and $\csc(\theta) = \frac{1}{\sin(\theta)}$. Can you take it from there?