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Section 5.1[ATTACH=full]1233[/ATTACH]Question 24cos x - 2/cos^2 x - 4cos x - 2/(cos x - 2)(cos x + 2)Answer: 1/(cos x + 2)Question 23sec^2 x - 1/sec x - 1(sec x - 1)(sec x + 1)/sec x - 1Answer: sec x + 1
Section 5.1
[ATTACH=full]1233[/ATTACH]
Question 24
cos x - 2/cos^2 x - 4
cos x - 2/(cos x - 2)(cos x + 2)
Answer: 1/(cos x + 2)
Question 23
sec^2 x - 1/sec x - 1
(sec x - 1)(sec x + 1)/sec x - 1
Answer: sec x + 1
