# How do you find the solution to #cottheta+8=3cottheta+2# if #0<=theta<2pi#?

##### 1 Answer

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#### Explanation

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#### Answer:

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If you have a calculator that evaluates

the primary value for

My calculator won't do that so I needed to use

and then

for the primary value of

This gave:

as the primary value (in Quadrant 1).

Based on CAST notation for the 4 quadrants we know that a secondary value for

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