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OpenStudy (anonymous):
use the unit circle to find the inverse function value in degrees cos -1 (sqrt 3 /2)
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OpenStudy (xapproachesinfinity):
use the cheat sheet you can find the angle whose cos is root3/2
OpenStudy (anonymous):
cos 30 degrees = \[\sqrt{3/2}\]
OpenStudy (xapproachesinfinity):
well there are better cheat sheets that give you this just look online :)
OpenStudy (anonymous):
No hang on @xapproachesinfinty how would you solve this?
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OpenStudy (anonymous):
im confused :/
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