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Make the Indicated Trigonometric Substitution in the Given Algebraic Expression 0≤x≤π/20 \leq x \leq \pi / 2

Question 58

Essay

Make the indicated trigonometric substitution in the given algebraic expression and simplify. Assume that 0≤x≤π/20 \leq x \leq \pi / 2 x2−4,x=2sec⁡θ\sqrt { x ^ { 2 } - 4 } , \quad x = 2 \sec \theta

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