3456 is the area of trapezoid ABCD
Using the product rule
xCos(y)dy/dx + sin(y) + ycos(x)+sin(x)dy/dx = 0
xcosydy/dx + sin(x)dy/dx = -sin(y) - ycos(x)
(xcos(y) + sin(x))dy/dx = -sin(y) - ycos(x)
dy/dx = [-sin(y) - ycos(x)]/ {xcos(y) + sin(x)}
Answer:
angle 4 is 47 degrees....
The answer would be 5 i hope this helps!
Answer:
39.1
Step-by-step explanation:
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