Step-by-step explanation:
sin∅=-3/4 in 4 quadrant which sine is negative there
using soh cah toa
sin=opp/hyp
where our opp=-3 and our hyp=4
using pythagoras theorem
hyp²=opp²+adj²
(4)²=(-3)²+adj²
16=9+adj²
16-9=adj²
adj²=7
adj=√7
from soh cah toa
cos∅=adj/hyp
cos∅=√7/4
(-2,2) (8,2) (8,-2) (-2,-2)
Answer:
26.25
Step-by-step explanation:
she sold 35 muffins
Answer:
24.6
Step-by-step explanation:
you multiply them all by two then add them together. :P
