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Get a common denominator (sinθ)(1-cosθ) for the fractions on the left. Then the numerators of fractions of the left will add to (sinθ)(sinθ)+ (1 - 2cosθ + (cosθ)(cosθ))= 2(1-cosθ) so the added...

Around 1992 I saw part of a color movie on television. As I remember, much of it was set in an idyllic community in a sort of rustic place. The main character, a young man, somehow came to this place...