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Posted by on Monday, January 11, 2010 at 10:25pm.

If cosx=sqrt{3}/2 and −pi/2<=x<=0 then the exact value of x, in radians

  • math - , Monday, January 11, 2010 at 10:31pm

    The range for x, -pi/2 <= x <=0, restricts x to the 4th quadrant.

    What angle x in the 4th quadrant has the property that cos(x) = sqrt(3)/2?

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