Post a New Question


posted by .

draw an angle x in the 1st quadrant with sinx=3/5, and an angle y in the 2nd quadrant with cosy=-12/13, then determine the exact value of tan(x+y).

  • Trig needs help -

    Indicate your specific subject in the "School Subject" box, so those with expertise in the area will respond to the question.

  • Urgent -

    in QI, cosx = 4/5
    in QII, sinx = 5/13

    now you can get tanx and tany, and use the formula for tan(x+y)

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

More Related Questions

Post a New Question