Assertion : The minimum value of sec \( x \) is -1 . Reason: Value of \( 1+\tan ^{2} x \) is \( ...

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Assertion : The minimum value of sec \( x \) is -1 .
Reason: Value of \( 1+\tan ^{2} x \) is \( \sec ^{2} x \).
(a) If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.
(b) If both Assertion and Reason are true but Reason is not correct explanation of the Assertion.
(c) If Assertion is true but the Reason is false.
(d) If Assertion is false but Reason is true.
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