Question

What should go in the green box?

3
1/3
[? ]A = ³
5
4
Enter a, b, c, or d.
a. sin
b. cos
c. tan
d. all of the above
A

Answer 1

a

Explanation:

sin A =
`(opposite)/(hypotenuse)` =
`(3)/(5)`

cos A =
`(adjacent)/(hypotenuse)` =
`(4)/(5)`

tan A =
`(opposite)/(adjacent)` =
`(3)/(4)`

then

sin A =
`(3)/(5)`