Question
8sin^2(x)+6sin(x)-9=0 simplify
Answers
Steve
using the quadratic formula,
sin(x) = 3/4 (1±√5)
= -2.4 or 0.927
Now just find the two values of x which make that work.
sin(x) = 3/4 (1±√5)
= -2.4 or 0.927
Now just find the two values of x which make that work.