The members of a spirit club are buying felt to make
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It’s cut off, but the bottom side of the triangle is labelled ‘x’
hope this helps!
hope this helps!
now, notice, there are two valid angles for such a tangent, however, if we look at the complex pair, the "a" is negative and the "b" is positive, that means, "x" is negative and "y" is positive, and that only occurs in the 2nd quadrant, so the angle is in the second quadrant, not on the fourth quadrant.
thus