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OpenStudy (anonymous):
My question is in the picture below. There might be multiple answers because it says "check all that apply".
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OpenStudy (anonymous):
OpenStudy (anonymous):
Review the identities for the secant trigonometric function and you will find your answer
zepdrix (zepdrix):
It's really important that you remember your secant/cosine relationship.\[\Large\rm \sec2x=\frac{1}{\cos2x}\]Do you know how to apply your Cosine Double Angle Formula in the denominator from that point?
OpenStudy (anonymous):
Thanks, I found my identities cheat sheet that I made a while ago. I will finish this problem myself. Cheers!
zepdrix (zepdrix):
Cool c:
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