Another form of L sec x dx. a. Verify the identity sec x =
Chapter 7, Problem 75(choose chapter or problem)
Another form of L sec x dx. a. Verify the identity sec x = cos x 1 - sin2 x . b. Use the identity in part (a) to verify that L sec x dx = 1 2 ln ` 1 + sin x 1 - sin x ` + C. (Source: The College Mathematics Journal 32, 5, Nov 2001)
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