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OpenStudy (anonymous):
Info: ((3 * PI) / 2) < x < (2 * PI) and cos(x) = 12/13 a) sin(x) b) cos(x) c) tan(x) d) cotan(x) e) sec(x) f) cos(sec(x)) How the hell can I solve this? O.O
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OpenStudy (anonymous):
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