PLEASE HELPplease please please help soon, this is super hard, and It’s geometry. You need to use sine, cosine, tangent, and the law of sines and cosines, but I can’t seem to figure it out. please help.

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

step-by-step explanation:

f(gx)=f(1/x+2)

=(1/x+2)+2

=(1+2x)/2+2

=(1+2x+4)/2

= (2x+5)/2