Answer:
sin A = 4/5
cos A = 3/5
Step-by-step explanation:
SOHCAHTOA
cot A = 1/tan A
tan A = opp/adj
cot A = 1/tan A = adj/opp
cot A = 3/4
adj = 3; opp = 4
adj^2 + opp^2 = hyp^2
3^2 + 4^2 = hyp^2
9 + 16 = hyp^2
hyp = 5
sin A = opp/hyp
sin A = 4/5
cos A = adj/hyp
cos A = 3/5
Answer:
sin A = 4/5
cos A = 3/5
Answer:
72%
Step-by-step explanation:
Because you add 10 and 4 to get 14.
Next minuse 14 from 50 to get 36.
Then divide 36 and 50 to get 0.72.
Finaly move your decimal to get your percent
Answer:
$28.50
Step-by-step explanation:
Lou needed to add ...
13 - 5.5 = 7.5
gallons to the tank.
The cost of that gas was ...
($3.80/gal)×(7.5 gal) = $28.50
Lou spent $28.50 filling the gas tank.
