Prove that : (Cos285 + Cos 345 ) ÷ (Sin435- Sin 375 ) = root3​

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units

I’m confused on how to work the pie charts

Given the expression (7 ? 4i) ? (2 + 6i), perform the indicated operation and write the answer in the form a + bi.