Question: with complete solution ty 4. 1 - 12 dx (apply the properties on how to solve improper integrals) 5. cos 20 sin20 + 2 cos
with complete solution ty

4. 1 - 12 dx (apply the properties on how to solve improper integrals) 5. cos 20 sin20 + 2 cos # cos 20 sin # + cos 20 cos? # de (use trigonometric integrals) 6. limz-+oo (In a) 1/2z (use L'hopital's Rule)
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