((cos(x) + a sin(x))^2)/(1 + a^2)+sin(x)^2((cos(x) + a sin(x))/((cos(x)- a sin(x))))((cos(x) + a sin(x))^2)/(1 + a^2)+sin(x)^2((cos(x) + a sin(x))/((cos(x)- a sin(x))))

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