Hey there!
19 is rounded to 20
120 divided by 6=20
20 is your answer
Hope this helps!
B because
Solve for the first variable in one of the equations, then substitute the result into the other equation.
cscx = sinx tan x + cos x
Using xsx x = 1/sin x and tan x = sin x/cos x



Multiplying both sides by cos x

cot x =1
Correct option is d .
It would be 2 if you are talking about the receptacle