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OpenStudy (supernova_sonntag):
Have the answer-not quite sure how to find it.
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OpenStudy (supernova_sonntag):
Find all solutions in the interval [0, 2π). \[\sec^2x-2=\tan^2x\]
OpenStudy (supernova_sonntag):
The answer is that there are no solutions.
OpenStudy (mathmate):
Hint: use identity \(1+tan^{2}(x)=sec^2(x)\)
OpenStudy (supernova_sonntag):
Yup I just noticed that-but I'm not sure what to do with it..?
OpenStudy (mathmate):
Substitute and simplify, see what you get.
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