How do I simplify this expression? Sin²(-x)-Sin(-x)/1-Sin(-x)

1 Answer
Mar 20, 2018

(sin²(-x)-sin(-x))/(1-sin(-x))=sinx

Explanation:

As sin(-x)=-sinx

(sin²(-x)-sin(-x))/(1-sin(-x))

= ((-sinx)^2-(-sinx))/(1-(-sinx))

= (sin^2x+sinx)/(1+sinx)

= (sinx(sinx+1))/(1+sinx)

= sinx