Question 743459
verify this trigonometric identity? 
(1+tanx^2/cosx^2)= sec^4
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Note: 1+ tan^2 = sec^2
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Note: 1/cos^2 = sec^2
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Your Problem:
(sec^2/(1/sec^2)) = sec^4
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sec^4 = sec^4
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Cheers,
Stan H.
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