I simplified the equation above to |tanx| <= 1 so -1 <= to tanx <= 1, so what does this say about x? The problem says "for what x is it true that: ?"
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Originally Posted by zweevu I simplified the equation above to |tanx| <= 1 so -1 <= to tanx <= 1, so what does this say about x? The problem says "for what x is it true that: ?" Hi -1 <= to tanx <= 1 for -pi/4 + k pi <= x <= pi/4 + k pi
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