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use the trigonometric substitution to write the algebraic equation as a trigonometric equation of

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use the trigonometric substitution to write the algebraic equation as a trigonometric equation of

trigonometric-identities

asked Jan 19, 2015 in TRIGONOMETRY by anonymous

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1 Answer

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Step 1 :

The algebraic equation is and .

Substitute in .

Pythagorean identity : .

Consider . (Since )

The trigonometric equation is .

The value of is .

Step 2 :

The value of is .

Solution :

The trigonometric equation is , the value of is . and the value of is .

answered Jan 19, 2015 by lilly Expert

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