SOLUTION: Given that cos t = − 2/5 and that P(t) is a point in the second quadrant, find sin t.

Algebra ->  Trigonometry-basics -> SOLUTION: Given that cos t = − 2/5 and that P(t) is a point in the second quadrant, find sin t.       Log On


   



Question 1027237: Given that cos t = − 2/5 and that P(t) is a point in the second quadrant, find sin t.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Given that cos t = − 2/5 and that P(t) is a point in the second quadrant, find sin t.
-------------
sin = sqrt(1 - cos^2)
sine is + in Q2