Please, I need your help! This is pre-calculus. I need the explanation (process) with the correct answers!

Q1 Inverse trig functions 5 Points Write the expression sin (tan (x) ) as an algebraic expression of x. Show all work. Please select file(s) Select file(s) Save Answer Q2 Trig identities 5 Points Simplify the expression 1 202 V4+ 202 using the substitution x = 2 tan(0). Show all work. Please select file(s) Select file(s) Save Answer Q3 Trigonometric equations 5 Points Find all solutions to the equation cos (20) = 3 sin(0) - 1 so that 0