# If #3Sec theta = x and 2Tan theta = y #, then how #x# and #y# are related ?

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If #3Sec theta = x and 2Tan theta = y # , then how #x# and #y# are related ?

If

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We have a trigonometry identity that says:

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If ( 3 \sec(\theta) = x ) and ( 2 \tan(\theta) = y ), then ( x ) and ( y ) are related by the identity:

[ x^2 - y^2 = 1 ]

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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