x^2+4x+8=0
solve using quadratic equation
x²-3
$\sqrt{\Box}$ 248+ $\sqrt{\Box}$ 52+ $\sqrt{\Box}$ 144
=
$\sqrt{\Box}$ x-1
cos 2x = sin (x + 30)
determine time period of modul of cosx by furier series
√3tanA=√3secA-1 find value of A.(0<=A<=360)
4z=-53/4 find z