trig
posted by karen on .
find the 5 trig ratios when sin theta = 5/13 and lies in quadrant 3

make a sketch in III
y = 5, r = 13 , then
x^2 + (5)^2 = 169
x = 12 in III
sinØ = 5/13, cscØ = 13/5
cosØ = 12/13, secØ = 13/12
tanØ = 5/12 = 5/12
cotØ = 12/5