Use the parallelogram rule to find the magnitude of the resultant force for the two forces shown in the figure. Round to
one decimal place.
-Explain why you can find $\cos 1.183$ on your calculator, but $\cos ^ { - 1 } 1.183$ results in an error message.

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The Answer of Use the parallelogram rule to find the magnitude of the resultant force for the two forces shown in the figure. Round to
one decimal place.
-Explain why you can find $\cos 1.183$ on your calculator, but $\cos ^ { - 1 } 1.183$ results in an error message.

Use the Parallelogram Rule to Find the Magnitude of the Resultant