How can I optimize the area of a roof with a given wall length and angle?

In summary, the conversation discusses finding the minimum perimeter of a triangular roof with a fixed area. Differentiation with respect to the variables a and theta is suggested as a possible approach.
  • #1
LHS
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Homework Statement



[PLAIN]http://img593.imageshack.us/img593/7536/unledci.png

Homework Equations





The Attempt at a Solution



I called the wall b, half the roof a, and the angle theta.
I get Area=2ab*sin(theta/2)+1/2 a^2 sin(theta)... try differentiating with respect to a and theta then setting them to zero.. doesn't do much
 
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  • #2
the question asks you to minimize perimeter (minus the base), not area. the area is fixed and so can be used to reduce the number of variables.
 
  • #3
Oh I meant differentiate b with respect to a and theta. But yes, you are correct, silly me!
 

FAQ: How can I optimize the area of a roof with a given wall length and angle?

What is a "Calculus optimization problem"?

A "Calculus optimization problem" refers to a type of mathematical problem where the goal is to find the maximum or minimum value of a function, typically subject to certain constraints or conditions. It involves using concepts from calculus, such as derivatives and integrals, to analyze the behavior of the function and determine the optimal solution.

How is calculus used to solve optimization problems?

Calculus is used to solve optimization problems by finding the critical points of a function, which are points where the derivative is equal to zero. These critical points can be used to determine whether the function has a maximum or minimum value, and the value of the function at these points is the optimal solution.

What are some real-world applications of calculus optimization?

Calculus optimization is used in many fields, including economics, physics, engineering, and biology. Some examples of real-world applications include finding the most efficient way to allocate resources, maximizing profits in business, optimizing the design of structures or machines, and determining the optimal dosage for a medication.

What are some common techniques used to solve calculus optimization problems?

Some common techniques used to solve calculus optimization problems include setting up and solving equations based on the constraints and conditions given, using graphs and visualizations to analyze the behavior of the function, and applying calculus concepts such as the first and second derivative tests.

How can I improve my skills in solving calculus optimization problems?

To improve your skills in solving calculus optimization problems, it is important to practice regularly and become familiar with different types of problems and techniques. You can also seek out resources such as textbooks, online tutorials, and practice problems to help you understand the concepts and gain more experience. Additionally, working with a tutor or joining a study group can provide valuable guidance and support.

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