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Principal solutions of the equation sin ...

Principal solutions of the equation `sin 2x + cos 2x = 0`, where `pi < x < 2pi `

A

`(7pi)/(8),(11pi)/(8)`

B

`(9pi)/(8),(13pi)/(8)`

C

`(11pi)/(8),(15pi)/(8)`

D

`(15pi)/(8),(19pi)/(8)`

Text Solution

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The correct Answer is:
C
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