Question: 1. (6 points) Perform integrations, 1 point each. (1) sin' 2 cost 2xdr (2) sin r cos rdi (3) tan' r sec rdr (4) cot


1. (6 points) Perform integrations, 1 point each. (1) sin' 2 cost 2xdr (2) sin r cos rdi (3) tan' r sec rdr (4) cot r csco xdx (5) sec + 2cdr (6) cot' rdr 2. (1 point) Find the volume of the solid of revolution obtained by rotating the region bounded by y = sinx, y = 0, x = 0, and r = " about the r-axis. 3. (3 points) Perform integrations, 1 point each. (1) rdr VI (2) tdt (3) de 12 - 6r + 10
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