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If the equation 1 +sin^2 xtheta= costhet...

If the equation `1 +sin^2 xtheta= costheta` has a non-zero solution in `theta`, then `x` must be (1) An integer (2) A rational number (3) An irrational number (4) None of these

A

An integer

B

A rational number

C

An irrational number

D

None of these

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The correct Answer is:
B
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