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Find all angles between 0 and 2π satisfying the condition sinx=−√2/2.
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Find all angles between 0 and 2π satisfying the condition sinx=−√2/2.

User Mike Bonnell
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sin = sqrt(2)/2 in intervals of 45 degrees (not counting the axis)

where y is negative, sin(-sqrt2/2) = 225 and 335 degrees
User Jgbarah
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