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posted by Davis Friday, August 26, 2011 at 7:45pm.

Use trigonometric identities to find sec theta, given that tan theta = Radical 5/ 3.

Use sec²(θ) =1+tan²(θ) sec²(θ) = 1+(√(5/3))² = 34/9 => sec(θ) = √(34) / 3

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