I'm working on corrections for a test and would please like some help. Please excuse my attempts at solving it.

ad ntly xh _ non - 1 Problem One (4 pts each) n+!" Facts: 1. Compute sin?(3x)da |-(5(x) Zx x cos?(x) + sin?(x) = 1 1 - cos ( * ) [ x 2 ] cos? (z) = (1 + cos(2x) sin?(z) = } (1-cos(2x) ) 1 - cas ( * 2 ) + c 2. Compute cost(x) sin3(x) dx Scos? ( x ) sin? ( x)oks cas = (x) sin ( x ) dx 1 / cas z ( x ) sin ( * ) JX [ 1+ cos ( 2x ) sin ? ( x ) ] + C 23 3. Compute V16 -72 da 2 x 3 4- x 4- x x 3 4 - * [ 4 x " ] X - X + C cs Scanned with CamScanner