Verified Answer :

oxria

its A
because sin A is CB/AB
and cos A is AC/AB

penfila11Pen

It is the first one
We know that Sin Ф=\(\frac{opposite}{hypotenuse}\)
And Cos Ф=\(\frac{adjacent}{hypotenuse}\)
So the sides go accordingly
The picture i have attached will be helpful

View image penfila11Pen

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