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OpenStudy (anonymous):
how do you do this 1 :( sec(arctan2)
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OpenStudy (anonymous):
i have to get exact value for this
OpenStudy (anonymous):
it's the sqrt of 5
OpenStudy (anonymous):
how did you get the answer :D
OpenStudy (dumbcow):
sec^2 = tan^2 +1 sec(x) = sqrt(tan^2 +1) sqrt(tan(arctan2)^2 +1) = sqrt(5)
OpenStudy (anonymous):
ty
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