# Let sin A = -5/13 with 270 degrees < A < 360 degrees and cos B = -15/17 with 90 degrees < B < 180 degrees find sin (A+B)

Let sin A = -5/13 with 270 degrees < A < 360 degrees and cos B = -15/17 with 90 degrees < B < 180 degrees find sin (A+B)

## This Post Has 3 Comments

1. Expert says:

i think the answer is b.

step-by-step explanation:

not 100% sure though.

2. Expert says:

the expected value of the random variable : 0, 1 and 2

step-by-step explanation:

3. zamawi17 says:

Step-by-step explanation:

$Let sin A = -5/13 with 270 degrees < A < 360 degrees and cos B = -15/17 with 90 degrees < B$