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anonymous
 one year ago
Trig/ Pre Cal
How do I determine what quadrant this is in?
2 owlbucks!
\[ \tan^1(\tan(\frac{5\pi}{6})) \]
Thank you.
anonymous
 one year ago
Trig/ Pre Cal How do I determine what quadrant this is in? 2 owlbucks! \[ \tan^1(\tan(\frac{5\pi}{6})) \] Thank you.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0It was suppose to be \[ \tan^1(\tan\frac{5\pi}{6}) \] I don't know how to make the 1 power so 1 = 1. It is an inverse

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I'm not sure what you mean... You mean where it is on the unit circle?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Just a number does not have a "quadrant".

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Btw to make an exponent negative, just do tan^{1} in latex :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Yes. For instance, we have a domain of \( \frac{\pi}{2}< x< \frac{\pi}{2} \) and range of \( infinity< x< infinity \)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0How do I find the quadrant that \( \frac{5\pi}{6} lies in?\)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Easy way is to just look at the unit circle http://upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Unit_circle_angles_color.svg/2000pxUnit_circle_angles_color.svg.png

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I know by looking at the unit circle but lets say we had a strange angle like \( \frac{4\pi}{5} \)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0\[\large \frac{\pi}{5} = \frac{180}{5} = 36~degrees\]So \[\large \frac{4\pi}{5} = 4 \times \frac{\pi}{5} = 4 \times 36 = 144\] Since 144 is above 90 but below 180, it would be in quadrant 2 :) Also if the numerator is lower than the denominator, you know it will be in it either the first or second quadrants

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I sent your owlbucks :)
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