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If X = 72, Y = 30, and Z = 78, what is the cosine of B?
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If X = 72, Y = 30, and Z = 78, what is the cosine of B?

If X = 72, Y = 30, and Z = 78, what is the cosine of B?-example-1
User Sheelpriy
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1 Answer

3 votes

You need to use ABC instead of XYZ because it is unclear which one is B.

User Ilan Coulon
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