Lesson 4 Content Exercises Question 4.1. Solve the equation below in the interval [0, 2). Show all your work. sin(0) = 4 sin(0) cos (0) Question 4.2. Simplify the expression tan (cos-1 Justify your answer. Review Exercise Question 4.3 (Algebra Topics). This question is a review of simplifying expressions. (a) Simplify the following rational expression and simplify as fully as possible. Your final answer should be a single rational expression. 8 x + 2x 3 - 6 x+x-2 (b) Simplify the following expression into simplified radical form. This includes having no radicals in the denominator. 3 25 (c) Simplify the following exponential expression into simplest form. This includes having positive expo- nents only. 2y-w -3 (237) (w^2-3)