What is the product enter your answer as a fraction in simplest form in the box -4/5 • 10/16

-1/2

Step-by-step explanation:

The first thing you do is cross cancel because when you cross cancel 4 and 16 it would be  -1/5 * 10/4 then you cross cancel 5 and 10 and then you faction would look like  -1/1 * 2/4 then you multiply those fractions together and get -2/4 but simplified would be -1/2.

You can use the definition of sin to solve it.

sin(45 deg) = x/13

sin(45 deg) is known to be so

Let me know if you have questions.