Question Number 200075 by sonukgindia last updated on 13/Nov/23
Answered by ajfour last updated on 13/Nov/23
$${R}\mathrm{cos}\:\theta=\frac{{a}+{b}}{\mathrm{2}} \\ $$$${R}={b}\mathrm{cos}\:\theta \\ $$$$\Rightarrow\:\:\mathrm{2}{b}\mathrm{cos}\:^{\mathrm{2}} \theta={a}+{b} \\ $$$$\frac{{a}}{{b}}=\mathrm{2cos}\:^{\mathrm{2}} \theta−\mathrm{1} \\ $$
Commented by ajfour last updated on 13/Nov/23
Commented by mr W last updated on 14/Nov/23
$${excellent}\:{solution}! \\ $$