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OpenStudy (anonymous):
use the unit circle to find the inverse function value in degrees. tan^-1 sqrt of 3 A. 120 degrees B. 90 degrees C. 60 degrees D. 30 degrees
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OpenStudy (jdoe0001):
http://4.bp.blogspot.com/-FMVojhlkcSQ/UInlIKO88oI/AAAAAAAAAC4/-fzMOz6di2Y/s1600/image010.jpg
OpenStudy (rulnick):
The angle whose tangent is sqrt(3) has an opposite side whose length is greater than the adjacent side's. So it must be greater than a 45 degree angle. But it cannot be 90 or greater than 90 or the tangent would be undefined or negative. So the answer must be ...
OpenStudy (anonymous):
60 degrees
OpenStudy (rulnick):
Right!
OpenStudy (anonymous):
thank you!
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OpenStudy (rulnick):
welcome
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