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find the exact value of the expression.

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find the exact value of the expression.

asked Jan 26, 2015 in PRECALCULUS by anonymous
reshown Jan 26, 2015 by goushi
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1 Answer

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Step 1:

The trigonometric expression is image.

Rewrite the expression

image

image

image                   ( Since image )

Definition of inverse trigonometric function : image.

image

Solution :

image.

answered Jan 26, 2015 by joseph Apprentice

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