In this question we use partial fractions to evaluate sec 0 de . First, write this integral as cos 0 de . (a) Multiply the integral d0 by cos 0 cos e , and use the trigonometric identity sin20+cos²0=1 in the denominator. cos 0 (b) Use the substitution u=sin 0 for your answer in part (a). (c) Use partial fractions to solve the integral in part (b). Show and explain ALL your work (Step by Step)

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