SOLUTION: Find cos theta/2 if tan theta= 2/7 and theta is in Quadrant III. Give an exact answer
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Question 617850: Find cos theta/2 if tan theta= 2/7 and theta is in Quadrant III. Give an exact answer
Answer by IFY(62) (Show Source): You can put this solution on YOUR website!
COS THETA / 2 = ?
TAN THETA = 2 /7 ON THE THIRD QUADRANT.
USING PYTHAGORAS THEOREM COS THETA = 7 / SQRT 53
7 / SQRT 53 / 2 = 0.48076..........
DATZ THE ANSWER.............
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