The perpendicular bisector of a line XY is the locus of a point
The midpoint of P(x, y) and Q(8, 6) is (5, 8). Find x and y.
Find the equation of a line perpendicular to line 2y = 5x + 4 which passes through (4, 2).
In a right angled triangle, if tan \(\theta\) = \(\frac{3}{4}\). What is cos\(\theta\) - sin\(\theta\)?