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Precalculus Mathematics Homework Help
How Do You Solve for the Adjacent Side Using Cosine?
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[QUOTE="RUber, post: 4877882, member: 524408"] There are plenty of options here. In the image, it seems like you have already found the length of the adjacent side (rounded improperly). So you could just go with what you know and check your arithmetic. You could also use the relationship that ## \sin^2\theta + \cos^2\theta = 1## for any angle ##\theta##, so if you know sin, you can quickly know cos. [/QUOTE]
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Precalculus Mathematics Homework Help
How Do You Solve for the Adjacent Side Using Cosine?
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