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 \({\rm{\theta }}\) as a function of \(x\) and \(\alpha \).(b) Let \(\alpha = 20^\circ \). Use a graph of \({\rm{\theta }}\) as a function of \(x\) to estimate the value of \(x\) that maximizes \({\rm{\theta }}\). Give your answer accurate to three significant figures.PDF: P.o.t.W. #7
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