How to simplify ( 4-2i)(73i)​

H(x)=4x2-5x h(-3) what is the answer?

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x