Multiple choice please answer please

1 answer:

3 0

Answer:

B. $cos^{-1} \bigg(\frac{4}{5}\bigg)$

Step-by-step explanation:

$\because \cos \angle B = \bigg(\frac{4}{5}\bigg)\\\\\therefore \angle B =cos^{-1} \bigg(\frac{4}{5}\bigg)\\$

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