## Answers

Sec² (70-2) dn cet dt = tant to O as we know Substitute 74-2=4 7 du= du du= du Du sec* (24-2) du = ( (Sec?4)(24) Evaluote ud adu I tancu te = 1 tan (74-2) + (sec² (7-2) du = tan (7x-2) tc lo 7 Contry Intestation. Thanks!

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