viraskaykelsamilim viraskaykelsamilim

21-11-2016
Mathematics

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Suppose
cos(π/2−x) =3/5, cos x =4/5
find sin, tan, csc, sec, cot

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nobillionaireNobley nobillionaireNobley

23-11-2016

cos (π/2 - x) = sin x = 3/5
tan x = sin x / cos x = 3/5 / 4/5 = 3/4
csc x = 1/sin x = 1 / 3/5 = 5/3
sec x = 1/cos x = 1 / 4/5 = 5/4
cot x = 1/tan x = 1 / 3/4 = 4/3.

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