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Answers posted by ityagi002
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If $f_k(x) = \large\frac{1}{k}$$(\sin^k x + \cos^k x)$, where $x\in R$ and $k \geq 1$. The $f_4(x) - f_6(x)$ equals
answered
Nov 15, 2017
1/4-1/6=1/12
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