if a b c d are the angles of cyclic quadrilateral then prove that sin a minus sin c is equals to sin a minus sin b
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Optical phenomena are any observable events that result from the interaction of light and matter. ... One common example is the rainbow, when light from the sun is reflected and refracted by water droplets. Some phenomena, such as the green ray, are so rare they are sometimes thought to be mythical.
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The force is the product of mass and acceleration. its SI unit is Newton and CGS unit is dyne. The CGS unit of force is equal to SI unit of force. Hence, The relation between SI and CGS unit of force is the CGS unit of force is equal to SI unit of force
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