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If the equation cos^(2)((pi)/4(sinx+sqrt...

If the equation `cos^(2)((pi)/4(sinx+sqrt(2)cos^(2)x))-tan^(2)(x+(pi)/4tan^(2)x)=1` then x=

A

`2kpi-(pi)/4, k in Z`

B

`2kpi+(pi)/3, k in Z`

C

`2kpi +(pi)/4, k in Z`

D

`2k pi +(pi)/4, k inZ`

Text Solution

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The correct Answer is:
A
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