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anonymous
 5 years ago
How do I find the integration of sin (pix^3)dx?
anonymous
 5 years ago
How do I find the integration of sin (pix^3)dx?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0use numerical analysis. evaluate definite integral by estimating area under curve

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I know that, but how do I integrate sin with the pix^3? It's cos something isn't it? but I forgot how to integrate.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thats what i mean there is no way to integrate it using any methods (substitution, by parts...)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0http://www.wolframalpha.com/input/?i=integral+sin+%28pix^3%29dx

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0ok, well, here is the real problem: it's a double integration: \[\int\limits_{0}^{9}\int\limits_{\sqrt{y}}^{3}\sin (pix^3) dxdy\]
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