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Find the intervals in which the function f given by $ f(x) = \sin x + \cos x, 0 \leq \: x \leq \: 2\pi, $is strictly increasing or strictly decreasing.
cbse
class12
modelpaper
2009
sec-b
q11
math
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asked
Dec 29, 2012
by
thanvigandhi_1
edited
Jul 15, 2013
by
sreemathi.v
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