SOLUTION: Which of the following is not a solution to the equation 4sin^2 X = 1 (a) 30 (b) 210 (c) 150 (d) 120

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Question 614602: Which of the following is not a solution to the equation 4sin^2 X = 1
(a) 30
(b) 210
(c) 150
(d) 120

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Which of the following is not a solution to the equation 4sin^2 X = 1
(a) 30
(b) 210
(c) 150
(d) 120
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4sin^2x = 1
sin^x=1/4
sinx=1/2
x=30º and 150º in quadrants I and II where sin>0
(b) and (d) are not the solutions