Which of the following sketches shows the graph of $$\sin \left( x ^ { 2 } + y ^ { 2 } \right) = \frac { 1 } { 2 }$$ where $x ^ { 2 } + y ^ { 2 } \leq 8 \pi$ ?
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Which of the following sketches shows the graph of
$$\sin \left( x ^ { 2 } + y ^ { 2 } \right) = \frac { 1 } { 2 }$$
where $x ^ { 2 } + y ^ { 2 } \leq 8 \pi$ ?