MC4 Select all true statements. Hint: Draw triangles!) (a) cos sin 2 Vx2 + 4 x2 + 4 2 (b) sin(cos Vx2 + 4 Vx2 + 4 (c) None of the above are true. MC5 Select all true statements. (Hint: Draw triangles!) (a) tan( - sin x - 2 V8x x +2 xx - 2 (b) cot(cos-1 Vox x - 2 x +2 8x (c) None of the above are true