Determining double angle problems

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Reference no: EM13117957

Use the given information to find the exact value of each of the following:

a. sin2theta

b. cos2theta

c. tan2theta

cot theta =9, theta lies in quadrant 3

Simplify answer, using radicals as needed, use integers or fractions for any number in the expression, rationalize all denominators.

Reference no: EM13117957

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