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OpenStudy (anonymous):
sec540 degrees without using a caculator. Help!!!
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OpenStudy (anonymous):
540-360=180 sec = 1/cos cos(180) = -1 sec(180) = 1/cos(180) = 1/-1 = -1
OpenStudy (abdullah1995):
pls dont give direct answers. it doesnt help the person learn
OpenStudy (anonymous):
I get what cz1 is explaining i need to double check my answer Thank you. this all makes much more sense to me.
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