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Let \(f(x) = \sec x + \csc x\). Compute \(f\left(\frac{5\pi}{6}\right) + f\left(\frac{5\pi}{4}\right) + f\left(\frac{11\pi}{6}\right)\).

 Jul 23, 2020
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f(5*pi/6) + f(5*pi/4) + f(11*pi/6) = 2 - sqrt(3).

 Jul 24, 2020

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