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Find the intervals where the following f...

Find the intervals where the following functions are (a) increasing and (b) decreasing. `y = sin 2x - cos 2x, x in [0,2pi]`

Text Solution

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The correct Answer is:
(a) `(0, (3pi)/(8))uu ((7pi)/(8),(11)/(8)pi)uu ((15)/(8)pi, 2pi)`
(b) `((3pi)/(8),(7pi)/(8))uu ((11pi)/(8),(15pi)/(8))`
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