5 75 1592_9dx. Use trigonometric Substitution.

Question

Question

math calculus

Answer 1

Answer #1

1 Xſr – 9 3 let, x= sect dx= 3 secttan tdt 15 1 1 sect tan tdt 3 sect 15 3 secttan tdt 1 tant 3dt 1 25 243 -1 1 -1 + I cogna

Answer 2

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