SOLUTION: Find exact solutions over the indicated intervals (x real and theta in degrees)
2sin^2theta+ 5sin theta-3=0, 0 degrees in less than or equal to theta less than 360 degrees
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2sin^2theta+ 5sin theta-3=0, 0 degrees in less than or equal to theta less than 360 degrees
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Question 619473: Find exact solutions over the indicated intervals (x real and theta in degrees)
2sin^2theta+ 5sin theta-3=0, 0 degrees in less than or equal to theta less than 360 degrees Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Find exact solutions over the indicated intervals (x real and theta in degrees)
2sin^2theta+ 5sin theta-3=0, 0 degrees in less than or equal to theta less than 360 degrees
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2sinx+5sinx-3=0
(2sinx-1)(sinx+3)=0
sinx+3=0
sinx=-3 (reject, -1 ≤ x ≤ 1)
2sinx-1
sinx=1/2
x=30º and 150º
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