Trigonometric Properties (I) Reciprocal Properties: cotx= 1 cscx ...
Trigonometric Properties (I)Reciprocal Properties: cotx= 1 cscx = 1 secx=1 --- ---- --- tanx sinx cosx tanx cotx=1sinx cscx=1 cosx secx=1 Odd and Even Function Properties:sin(-x) = -sin xcos(-x) = cos xtan(-x) = -tan xcot(-x) = -cot xsec(-x) = sec xcsc(-x) = -csc x [ADVERTHERE]Related article: http://mathsandenglish.blogspot.com/2007/09/trigonometric-properties-i-reciprocal.html
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