I am having trouble with simplifying trigonometrical identities, I know the trig identities but Im having trouble with the algebra involved. Please help me. Thank you, Carmen Esposito

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for this one you get everything to a common denominator. so that is (cos(theta)^2 + 1^2 + sin(theta)^2)/ (cos(theta) - cos(theta)sin(theta)) = 2/(cos(theta) - cos(theta)sin(theta))know your identities and then they should come intuitively