SOLUTION: Solve the equation in the interval ​[0degrees​,360degrees​). Use an algebraic method. 9sin^2(x)-7sin(x)=-5

Algebra ->  Equations -> SOLUTION: Solve the equation in the interval ​[0degrees​,360degrees​). Use an algebraic method. 9sin^2(x)-7sin(x)=-5      Log On


   

Question 1131086: Solve the equation in the interval ​[0degrees​,360degrees​). Use an algebraic method.
9sin^2(x)-7sin(x)=-5
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let , then:



Solve the quadratic for all values of , then find all values of on the desired interval. If there are no real values of , then the solution set is the empty set.


John

My calculator said it, I believe it, that settles it