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OpenStudy (anonymous):
4 sin^2A+1= sin^2A+2
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OpenStudy (ranga):
Subtract sin^2(A) from both sides. Subtract 1 from both sides. Divide both sides by 3. Take square root on both sides. Solve for A.
OpenStudy (anonymous):
where did you get the 3 from ?
OpenStudy (anonymous):
|dw:1398124387455:dw|
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