Mathematics Past Questions and Answers

If sinθ = - \(\frac{3}{5}\) andθ lies in the third quadrant, find cosθ

Simplify \(\frac{1}{3-√2}\) in the form of p + q√2

Find the length of a chord 3cm from the centre of a circle of radius 5cm

Mr Adu spends his annual salary on food(f), rent(r), car maintenance, gifts(g), savings(s) and some miscellaneous (m) as indicate in the table below:

F	R	C	G	S	M
28%	15%	20%	14%	10%	13%

If the above information is represented on a pie chart. What angle represents his spending on food?

A rectangular pyramid has an area 24cm\(^2\) and height 7.5cm. Find its volume?