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Find the exact value of the expression. Do not use a calculator.

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Find the exact value of the expression. Do not use a calculator.

asked Jan 26, 2015 in PRECALCULUS by anonymous

1 Answer

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Step 1:

The expression is image.

Using inverse trigonometry  formula image.

image.

Solution:

image.

answered Jan 26, 2015 by Sammi Mentor

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