Find all solutions to the equation cosx cos(3x) + sinx sin(3x) = 0 on the
interval (0,2pi).

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0