What is the missing side (x)?

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?

Tan198=asin164=? how to solve this? ?

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq