Find the equation whose roots are \(-\frac{2}{3}\) and 3
Evaluate Cos 45o Cos 30o - Sin 45o Sin 30o leaving the answer in surd form
In constructing an angle, Olu draws line OX. With centre O and a convenient radius, he draws an arc intersecting OX at P. With centre P and the same radius, he draws an arc intersecting the first arc at Q and finally joins OQ. What is the size of angle POQ so constructed?