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 ...

Let's remind ourselves of what the sine graph looks like so that ... Therefore since the trig equation we are solving is sin and it is positive (0.5), then we are in the first and second quadrants.