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Solve the equation sin 5/2¦È = -1/2 for 0¡ã ¡Ü 0 ¡Ü 180¡ã

4 answers

I assume you mean

sin(5/2 x) = -1/2
so, 5/2 x = 210 or 330 or 570 ...
x = 84 or 132 or 228 ...
We have to stop at 180, so 84 and 132 are the solutions.
it was sin(5/2¦È) = -1/2 for 0¡ã ¡Ü 0 ¡Ü 180¡ã
it was sin(5/2¦È) = -1/2 for 0¡ã ¡Ü 0 ¡Ü 180¡ã

sin(5¦È/2)= -1/2 for 0¡ã ¡Ü 0 ¡Ü180¡ã
If positive 1/2??
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