P71145 Weight:1 5) Simplify 4 - 4cos 4cos* * and write in terms of sin x sin' x + a) O 4(1 + sin? x) b) O 4(2 sin? x) c) O 4(1 - sin²x) d) O 4(2 - sin’x) P71150 Weight:1 6) Substitute x 2cos e where e is in the first quadrant , in to v2 - x? and simplify . a) O 2 sin e b) V2cos e c) O 2sin e d) O 2cos e