Given: 3y cos x = x² + y²
Define

Then by implicit differentiation, obtain
3y' cos(x) - 3y sin(x) = 2x + 2y y'
y' [3 cos(x) - 2y] = 2x + 3y sinx)
Answer:
5 would be the dependent variable because the number 5 depends on how many greeting cards are bought.
Answer:
Angle 2
Step-by-step explanation:
Remember the X, whatever is opposite to the given angle.
Answer:
2+3s
Step-by-step explanation:
Answer:acute
Step-by-step explanation: