Question 797773: Find all solutions for (Let @ represent theta)
(2sin@-1)(2cos@+3)=0
Thank you in advance for your help!
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! Find all solutions for (Let @ represent theta)
(2sin@-1)(2cos@+3)=0
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Either 2sin - 1 = 0
sin = 1/2
theta = 30, 150 + 2n*360, n = 0, 1, 2, 3... degs
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or
2cos + 3 = 0
cos = -3/2 No real number solutions
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