L S = sin x/( 1 + cos x) * ( 1 - cos x ) / ( 1 - cos x ) =
= sin x ( 1 - cos x ) / ( 1 - cos² x ) =
= ( sin x - sin x cos x ) / sin² x =
= sin x / sin² x - ( sin x cos x ) / sin² x =
= 1 / sin x - cos x / sin x = csc x - cot x = RS
Therefore: LS = RS
The answer is actually c. u just multiply 5 and 4n which gives u 20n. and then u multiply 5 and -13 which equals -65.
The picture is like less than 144p
Hi I would love to help but the picture is black
The answer is B djiekljfjroeo