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Question Number 200075 by sonukgindia last updated on 13/Nov/23

Answered by ajfour last updated on 13/Nov/23

$$R\cos \theta =\frac{a+b}{2}$$$$R=b\cos \theta$$$$\Rightarrow 2b\cos {}^2\theta =a+b$$$$\frac{a}{b}=2\cos {}^2\theta -1$$

Commented by ajfour last updated on 13/Nov/23

Commented by mr W last updated on 14/Nov/23

$$excellentsolution!$$

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