An appropriate trigonometric substitution 1 -dx is V4 – x² for x = 2 tan(8) for 0 E (-5,5) а. b. x = 2 sin(0) for 0 E (- -5, 5) c. x = tan(0) for 0 E (-,) z = 2 sec(8) for θ € (-콜, 플)

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