Question: If x= cos theta + i sin theta and (1- c^2 )^1/2 =n. c -1. Show that 1 + c cos theta = c/

If x= cos theta + i sin theta and (1- c^2 )^1/2

If x= cos theta + i sin theta and (1- c^2 )^1/2 =n. c -1. Show that 1 + c cos theta = c/ 2n(1 + nx) (1 + n/x)

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