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1. Homework Statement
As part of a Mechanics problem, I need to find the resultant of two forces. I was able to find F[Resultant]'s magnitude easily enough, but it's direction stumps me.
...because when I rearrange the Cosine rule to find angle A, the operand of Arccos is greater than 1.
2. Homework Equations
See attachment
3. The Attempt at a Solution
No idea
As part of a Mechanics problem, I need to find the resultant of two forces. I was able to find F[Resultant]'s magnitude easily enough, but it's direction stumps me.
...because when I rearrange the Cosine rule to find angle A, the operand of Arccos is greater than 1.
2. Homework Equations
See attachment
3. The Attempt at a Solution
No idea
Attachments

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