Answer: a
Step-by-step explanation: its getting rid of water and the original is 40
5x6 = 30 divided in half because its a triangle
=15
2x3 = 6
15-6 = 9
By definition, the sine of an angle is given by:

Where,
C.O: opposite leg
h: hypotenuse
The hypotenuse is given by:

So, replacing values we have:

Rewriting we have:
Answer:
the sine value of this function is:
A)5 times square root 61 over 61
Answer: A. 15
Explanation:
n is equal to 15 because 15 divided by 5 is 3. therefore, 3 = 15/5.