Question

Factor the algebraic expression below in terms of a single trigonometric function. csc 2x - 1

Answer 1

if csc(2x) = 1 / sin(2x), and 1 = sin(2x) / sin(2x), then ( 1 / sin(2x) ) - ( sin(2x) / sin(2x) ) = ( 1 - sin(2x) ) / sin(2x)