SOLUTION: Find sin2x, cos2x, tan2x if sinx= -8/17 and x terminates in quadrant III (3).

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Question 1156493: Find sin2x, cos2x, tan2x if sinx= -8/17 and x terminates in quadrant III (3).
Answer by ikleyn(52797) About Me  (Show Source):
You can put this solution on YOUR website!
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Use standard trigonometry formulas of double argument.