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Mathematics, 01.11.2019 20:31 sanafarghal

3. given the differential equation y"+y= 0 and the set of two functions sint-cost, sint + cost, show that this a fundamental set of functions for the equation, and note the interval(s) over which this is true. wken (osxsihx | cos sint

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3. given the differential equation y"+y= 0 and the set of two functions sint-cost, sint + cost, show...
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