SOLUTION: Solve the equation in the interval ​[0degrees​,360degrees​). Use an algebraic method.
9sin^2(x)-7sin(x)=-5
Algebra.Com
Question 1131086: Solve the equation in the interval [0degrees,360degrees). Use an algebraic method.
9sin^2(x)-7sin(x)=-5
Answer by solver91311(24713) (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
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