SOLUTION: Can you please help me solve this equation: {{{ 4sin^2(x)+7sin(x)=2 }}} with the range of theta being between 0 and 2pi. I have gotten one answer, {{{ sin(x)=1/4 }}} or {{{ x=sin^-

Question 1076009: Can you please help me solve this equation: with the range of theta being between 0 and 2pi. I have gotten one answer, or , however it seems as though there's another one that I'm not able to find. Thank you!
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use a substitution,

.
.

Two "u" solutions:

No x solution here.

There are two solutions here:
and

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