Mathematics

Mathematics

Problem

![](https://storage.googleapis.com/diraq-contents/PROD/homework-question-parsing/marker/20260310T141926Z/9e3ca668dc7c4a47a292beb180c6e9bb/967c30813761a8952ecc5e16bf42ea45_img.jpg) Q 4.3 Show that the area of shaded region can be represented as follows. Area=r12[πα1360∘−14sin⁡2α1]+r22[πα2360∘−14sin⁡2α2]\text{Area} = r_1^2 \left[ \frac{\pi \alpha_1}{360^\circ} - \frac{1}{4} \sin 2\alpha_1 \right] + r_2^2 \left[ \frac{\pi \alpha_2}{360^\circ} - \frac{1}{4} \sin 2\alpha_2 \right] ![](https://storage.googleapis.com/diraq-contents/PROD/homework-question-parsing/marker/20260310T141926Z/4f15c2568847441289710bb35aa3660d/d5a837fa4f4675e5ee596003cf55985c_img.jpg)

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