Evaluate $\iint _ { R } \sin \left( 9 x ^ { 2 } + 4 y ^ { 2 } \right) d A$

question 109

Essay

Evaluate $\iint _ { R } \sin \left( 9 x ^ { 2 } + 4 y ^ { 2 } \right) d A$ by making an appropriate change of variables, where R is the region in the first quadrant bounded by the ellipse $9 x ^ { 2 } + 4 y ^ { 2 } = 1$ .

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The act of revealing personal information to others which they may not otherwise learn.

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The exchange of information or ideas between individuals or groups, using verbal, non-verbal, written, or electronic means.

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The process that initiates, guides, and maintains goal-oriented behaviors.

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