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The equation tan^(4) x - 2 sec ^(2) x + ...

The equation `tan^(4) x - 2 sec ^(2) x + a = 0` will have at least one solution if

A

`1ltale4`

B

`ale2`

C

`ale3`

D

`agt3`

Text Solution

Verified by Experts

The correct Answer is:
C
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