Question

prove that 1 minus cos theta over sin theta is equal to sin theta over 1 + cos theta​

Answer 1

(1-cosθ)/sinθ = ((1-cosθ)(1+cosθ))/(sinθ(1+cosθ)) = (1-〖cos〗^2 θ)/(sinθ(1+cosθ))=(〖sin〗^2 θ)/(sinθ(1+cosθ))=sinθ/(1+cosθ)