P.o.t.W. #7
■ GDC is allowed ■ for SL and HL students (a) Given the figure below and the indicated lengths and angles, express {\theta } as a function of x and \alpha . (b) Let \alpha = 20^\circ . Use a graph of {\theta } as a function of x to estimate the value of x that maximizes {\theta } . Give your answer accurate to three significant figures. PDF: P.o.t.W. #7