Question

Fill in the blank.
5
3
[ ? ](A) =
=
3
4
A
4
A. sin
B. COS
C. tan

Answer 1

Answer:

sin A = 3/5

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin theta = opp side/ hypotenuse

sin A = 3/5

Answer 2

Answer:

A. sin

Step-by-step explanation:

Hi there!

$\sin\theta=\displaystyle\frac{opposite}{hypotenuse}$

$\cos\theta=\displaystyle\frac{adjacent}{hypotenuse}$

$\tan\theta=\displaystyle\frac{opposite}{adjacent}$

Given the angle A, the opposite side would measure 3 units, the adjacent side would measure 4 units and the hypotenuse would measure 5 units.

If the ratio is $\displaystyle\frac{3}{5}$, it means it is a ratio between the opposite side and the hypotenuse. Therefore, it is using the sine ratio.

$\sin A=\displaystyle\frac{3}{5}$

I hope this helps!