Please help, this is for my best friend.

100 points, hi, i’m not sure how to get the equation from the graph and table.

Asinusoidal function whose frequency is 1/6pi

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90