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In the triangle below, 4/5 represents which ratio?

In the triangle below, 4/5 represents which ratio?-example-1

1 Answer

1 vote
Answer:
sin (C)

Step-by-step explanation:
In a right-angled triangle, special trig functions can be applied. These functions are as follows:
sin (theta) =
(opposite)/(hypotenuse)

cos (theta) =

(adjacent)/(hypotenuse)

tan (theta) =

(opposite)/(adjacent)

Now, let's check the triangle we have:
We have two options:
First option:
5 is the hypotenuse of the triangle
4 is the side adjacent to angle B
Therefore, we can apply the cos function:
cos (B) =

(4)/(5)

Second option:
5 is the hypotenuse of the triangle
4 is the side opposite to angle C
Therefore, we can apply the sin function:
sin (C) =

(4)/(5)

Among the two options, the second one is the one found in the choices. Therefore, it will be the correct one.

Hope this helps :)

User Adel Boutros
by
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