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If (cos^2x+1/(cos^2x)) (1+tan^2 2y)(3+si...

If `(cos^2x+1/(cos^2x))` `(1+tan^2 2y)(3+sin3z)=4,` then `x` is an integral multiple of `pi` `x` cannot be an even multiple of `pi` `z` is an integral multiple of `pi` `y` is an integral multiple of `pi/2`

A

`x=npi+(-1)^(n)(pi)/(6)` and `y=2npi+(pi)/(3)`

B

`x=n pi+(-1)^(n-1)(pi)/(6)` and `y=2npi+(pi)/(3)`

C

`x=npi+(-1)^(n)(pi)/(6)` and `y=2npi+(2pi)/(3)`

D

`x=npi+(-1)^(n-1)` and `y=2npi+(2pi)/(3)`

Text Solution

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The correct Answer is:
a,d,
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