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Use the law of cosines to solve the following problem.The robot arm shown in the figure places packages on a conveyer belt. What is the distance x?

Use the law of cosines to solve the following problem.The robot arm shown in the figure-example-1

1 Answer

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SOLUTION

Using cosine rule it follows:


x^2=3.00^2+2.25^2-3(2.25)\cos110

Simplify the equation for x


x=โˆš(3.00^2+2.25^2-3(2.25)\cos110)

Therefore the required answer is


x=โˆš(3.00^2+2.25^2-3(2.25)\cos(110))

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