Evaluate $\iint _ { D } \cos \left( x ^ { 2 } + y ^ { 2 } \right) d A$ , where $D = \left\{ ( x , y ) \mid x ^ { 2 } + y ^ { 2 } \leq 1 \right\}$ , the unit disk.

Question

Quizplus · Accepted Answer

The Answer of Evaluate $\iint _ { D } \cos \left( x ^ { 2 } + y ^ { 2 } \right) d A$ , where $D = \left\{ ( x , y ) \mid x ^ { 2 } + y ^ { 2 } \leq 1 \right\}$ , the unit disk.

Evaluate ∬Dcos⁡(x2+y2)dA\iint _ { D } \cos \left( x ^ { 2 } + y ^ { 2 } \right) d A∬D​cos(x2+y2)dA

Evaluate $\iint _ { D } \cos \left( x ^ { 2 } + y ^ { 2 } \right) d A$