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JenniferSmart1
 2 years ago
\[tan^{1}(tan\frac{4*\pi}{5})=\]
JenniferSmart1
 2 years ago
\[tan^{1}(tan\frac{4*\pi}{5})=\]

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JenniferSmart1
 2 years ago
Best ResponseYou've already chosen the best response.1I get \[\frac\pi{5}\]

JenniferSmart1
 2 years ago
Best ResponseYou've already chosen the best response.1what did I do wrong?

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1its pi/5 , right ? \(\tan (\theta  \pi)=\tan \theta\) 4pi/5  pi = pi/5 also, \(\tan^{1}\tan \theta = \theta \)

JenniferSmart1
 2 years ago
Best ResponseYou've already chosen the best response.1oh it's period is pi.....I see

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1yes, period of tan theta = pi. thats why its has same values after every 180 degrees...

JenniferSmart1
 2 years ago
Best ResponseYou've already chosen the best response.1makes sense. Thanks!
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