pls need it will mark brainliest plus 50 points please need answer if someone answers the question right will give out alot of points reaching 1k plus alot of brainliest

Which expression gives the area of the triangle shown below

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

Sketch one cycle if the cosine function y=2cos2theta