This circle has the centre at the origin and a radius of 1 unit. The point P can move around the circumference of the circle. At point P the \(x\)-coordinate is \(\cos{\theta}\) and the \(y ...

one solution between 0° and 90° and the other between 90° and 180°. \(\sin x^\circ = \frac{3}{4}\) Since this is sin and is positive this means that we will be in the two quadrants in which ...