Find $\int{\cos 4xdx}$

Evaluate $\int\limits_{0}^{1}{(3-2x)dx}$

Find the value of x at the minimum point of the curve $y={{x}^{3}}+{{x}^{2}}-x+1$

Find the derivative of $\frac{\sin \theta }{\cos \theta }$

The derivative of $(2x+1)(3x+1)$ is

A man walks 100m due west from a point X to Y, he then walks 100m due North to a point Z. Find the bearing of X from Z

In a right angle triangle, if tan θ = ¾ what is cos θ – sin θ

Find the equation of a line perpendicular to the line 2y = 5x + 4 which passes (4, 2).

The midpoint of P (x, y) and Q (8, 6) is (5, 8). Find x and y.

The perpendicular bisector of a line XY is the locus of a point.