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OpenStudy (anonymous):
If cos= adjacent/ hypotenuse... when would these be opposite? confused?
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OpenStudy (usukidoll):
you mean secant? secant = 1 / cos x
OpenStudy (usukidoll):
we have sinx cosx tanx csc x = 1/sinx sec x = 1/cosx tanx = sinx /cos x
OpenStudy (usukidoll):
so if cos x in a triangle is 5/6 so adjacent is 5 and hypothenuse is 6 sec x is 6/ 5 sec x = hypothenuse/adjacent
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