Asked by Anonymous
angle x is in the second quadrant and angel y is in the first quadrant and angle y is in the first quardrant such that sin x=5/13 and cos y = 3/5. Determine and exact value for cos x.
Answers
Answered by
Reiny
check your typing of the question, you have some information here that is not needed.
Is there more to the question?
if sinx = 5/13, and x is in quad II
then cosx = -12/13 (from the 5,12,13 triangle)
Is there more to the question?
if sinx = 5/13, and x is in quad II
then cosx = -12/13 (from the 5,12,13 triangle)
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