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29-06-2019
Mathematics

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Using the following triangle, what is the cosine of angle B?

Using the following triangle what is the cosine of angle B class=

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sqdancefan sqdancefan

29-06-2019

Answer:

cos(B) = a/c

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you that ...

Cos = Adjacent/Hypotenuse

The leg adjacent to angle B is "a". The hypotenuse is "c", so the desired cosine is ...

cos(B) = adjacent/hypotenuse = a/c

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