Hi,(adsbygoogle = window.adsbygoogle || []).push({});

I have a problem and I am stuck to one question:

The area of a triangle is given by the formula: A=1/2*b*c*sin(θ )

At time to, we have bo=10 inches, co=20inches, θo=pi/3

a) Find the area of the triangle at to

I found 50*sqrt(3)

b- find the rate of change of the area with respect to b at to.

I found 5*sqrt(3).

c) Find the rate of change of the area with respect with θ at to.

I found 50.

d) Using the rate found in part c) , calculate (by differentials) the approximate change in area if angle theta is increased by one degree.

I need help for this question. I do not know what to do here.

Thank you for your help

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# Homework Help: Partial derivations

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