show that sec theta(cosec theta) - cot theta = tan theta

Answer 1

secθ cscθ - cotθ
secθ cscθ - cosθ cscθ
(secθ-cosθ) cscθ
(1-cos^2θ)/cosθ cscθ
sin^2θ/cosθ cscθ
sinθ/cosθ
tanθ