Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §14.2 Change to Better Coordinates, #3 · Multivariable Calculus · Change of variables

Equation (1) with … rotates … into the … region

R is a pie-shaped wedge: $0 ⩽ r ⩽ 1$ and $π /4 ⩽ θ ⩽ 3 π /4$ .

Equation (1) with $α = π /4$ rotates $R$ into the $uv$ region $S =______$ . Find limits on $\iint d u d v$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §14.2 Change to Better Coordinates, #3

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