Answered

Proving trigonometric identities
csc x - sin x / cos x = cot x

Sagot :

Palsme9971viz
(csc x - sin x)/ cox = cotx  (original equation)
sinx csc x- sin x² =cos x² (cross multiply)
sinx cscx=1 (identity value)
cosx ²+sinx ²=1  (identity value, transposed)