Question 17,
a.
. Evaluate
8tan 2x s
tan 2x sec 22x dx using the substitution u = tan 2x.
b. Evaluate 8 tan 2x sec 22x dx using the substitution u = sec 2x.
c. Reconcile the results in parts (a) and (b).
a. Rewrite the given integral using the substitution u = tan 2x.
S8 tan 2x sec
8 tan 2x sec² 2x dx =
du
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