SOLUTION: not sure how to solve this 2 Sin^2 x- Sin x-1=0

SOLUTION: not sure how to solve this 2 Sin^2 x- Sin x-1=0

Algebra.Com

Question 558488: not sure how to solve this
2 Sin^2 x- Sin x-1=0
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
2 Sin^2 x- Sin x-1=0
solve like quadratic equation
factor:
(2sinx+1)(sinx-1)=0
sinx=-1/2
x=240� and 300� (0 < x < 360�)
or
Sinx=1
x=90� (0 < x < 360�)
RELATED QUESTIONS
Find all solutions to the equation: 2sin^2x + 3sinx + 1=0?? This is how I attempted to... (answered by Alan3354)

Hi, I'm not sure how to go about this question : sin x + ((3)^1/2)cos x = 0 (In... (answered by KMST)

Prove the identity 4(sin^4(x) - sin^4(x))/sin(2x) = sin (2x) I Tried up to here but... (answered by Tatiana_Stebko)

please help me solve this equation: solve exactly: sin(x) + 4csc(x) + 5=0 I have... (answered by stanbon)

how to solve sin x=-2 (answered by Fombitz,rfadrogane)

how do you solve cos2(x)-sin^2(x)+ sin(x) + 1 = 0... (answered by stanbon)

Solve... (answered by jim_thompson5910)

Solve sin^2 x + sin x + 4 = 0 for x. (answered by Shin123,math_tutor2020)

how to solve these functions in [0,2pi]: 1-cos(x)=1 2-cos(x)=-sqrt3/2... (answered by lwsshak3)