if tanθ = \(frac{3}{4}\), 180° < θ < 270°, find the value of cosθ.

If  \(\frac{2}{x-3}\) - \(\frac{3}{x-2}\) = \(\frac{p}{(x-3)(x -2)}\), find p.

The diagonal of a rhombus are 12cm and 5cm. calculate its perimeter

In the diagram, △XYZ is produced to T. if |XY| = |ZY| and ∠XYT = 40°, find ∠XZT

A solid brass cube is melted and recast as a solid cone of height h and base radius r. If the height of the cube is h, find r in terms of h.