The area of this right triangle is half the area of which of these rectangles?

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).

Ineed here’s a picture of the question