Which function describes the graph shown below? y=1/2sin(x)-2
y=2sin(x)-1/2
y=1/2cos(x)-2
y=2cos(x)-1/2

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

This is about circle theorems. someone asap : (

Consider this expression and the steps to evaluate it. 4^5(−2)^9/4^8(−2)^3 1. apply the quotient of powers:      (−2)^a/4^b 2. evaluate powers:           c/d select the value of each variable. a = _ b = _ c = _ d = _