Question: a. Evaluate cot x csc 2 x dx using the substitution u = cot x. b. Evaluate cot x csc 2 x dx

a. Evaluate ∫ cot x csc2 x dx using the substitution u = cot x.

b. Evaluate ∫ cot x csc2 x dx using the substitution u = csc x.

c. Reconcile the results in parts (a) and (b).

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