Problem 5. (1 point) 1. Given that a is in Quadrant 3 and tan(a) = %, give an exact answer for the following: a. sin(2a) :D b. cos{2u) =E c. tan(2c1) :C] 2. Given that 6 is in Quadrant 2 and 605(3) : , give an exact answer for the following: a. sin(2) b. cos(2) =5 e. tan(2f]) :L Decimal approximations are not allowed for this problem, Enter your answer in exact form. Use \"sqrtl )" to represent '/ Problem 6. (1 point) Quadratic trigonometric equation with "tangent": Solve for a: tan?(x) - tan(x) = 0 Give expressions to represent all solutions to the equation: Give your answer in radians. Separate multiple solutions with commas. . Use "n" as the parameter in your solution(s). . Do not use decimal approximations. Use 'pi' to represent 7.Problem 7. (1 point) 2 cos(a ) sin(a) + v2 sin(a) = 0 Give expressions to represent all solutions to the equation: . Give your answer in radians. . Separate multiple solutions with commas. . Use "n" as the parameter in your solution(s). . Do not use decimal approximations. Use 'pi' to represent