At point P the \(x\)-coordinate is \(\cos ... a solution at \(180 - 30 = 150^\circ\). The period is 360° so to find the next solutions subtract 360°. The solutions to the equation \(\sin ...

At point P the \(x\)-coordinate is \(\cos ... a solution at \(180 - 30 = 150^\circ\). The period is 360° so to find the next solutions subtract 360°. The solutions to the equation \(\sin ...