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Q4

Geometry Level 2

Find the minimum value of \( f(x) = \sin^4 (x) + \cos^4(x) \) where \(0 \le x \le \frac\pi2 \).

\[ \frac{\sqrt2}2\] \[\frac12\] \[\frac14\] \[-\frac12\]

Excel in math and science

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View solutions

by Sahil Bansal

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