Homework Help Forum: trig

Posted by rica on Wednesday, November 4, 2009 at 10:10pm.

find the remaining 5 trigometric functions of x cos x = 1/5, x in quadrant 1

• trig - Reiny, Wednesday, November 4, 2009 at 10:18pm

  Construct a triangle, you know cosx = adjacent / hypotenuse, so let the opposite be y y^2 + 1^2 = 5^2 y = +√24 in the first quadrant. You now have the opposite, the adjacent and the hypotenuse. Use the definitions of the trig ratios you learned to answer your question.

  
  

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