in the interval 0° ≤ x ≤ 360°, what is the total number of values of x that satisfy the equation sin^2x+sinx-1=0

Question

evonhowell · Answer

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anonymous · Answer

let sin x be t
then you get (t^2)+t-1=0
solve for t then change t back to sin x
then you have sin x= ??
x= sin^-1 ??
those are your solutions