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Please help me with this problem

Please help me with this problem-example-1

1 Answer

4 votes

Answer:

third option

Explanation:

we will use the Greek letter
\alpha for the calculations:

cot
\alpha =
(cos\alpha )/(sin\alpha )

so we have:


(cot\alpha)/(cos\alpha) = ( (cos\alpha)/(sin\alpha))/(cos\alpha) =


(cos\alpha)/(sin\alpha * cos\alpha) = (1)/(sin\alpha) = Csc\alpha

User Marcelo Lujan
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