Find the point on the terminal side of θ = negative three pi divided by four that has an x coordinate of -1. Show your work for full credit.

Question

imstuck · Answer

negative three pi over 4 is the same as negative 135 degrees.  I don't know about you, but my mind doesn't work very well in radians, so I switched it to degrees.  If this angle is a negative angle it goes clockwise around the plane as opposed to counterclockwise, as do positive angles.  So this one, -135 degrees, is in QIII.  It's coterminal angle is negative 45 degrees.  It is set up like this:

imstuck · Answer

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