Option B. 8
7+3 = 10
18-10 = 8
Hello,
f(x,y)=4cos x sin y-2
@f/@x=-4sin x sin y
@f/@y=4 cos x cos y
dy/dx=-(@f/@x)/(@f/@y)=sin x sin y/(cos x cos y)=tg x * tg y
Answer:
What the question .............
Answer: - 5/4
Step-by-step explanation:
It won’t let me type it in right so put the negative sign then do the fraction 5 over 4