The answer to this question is 4x= y-4
cos(a - b) - cos(a + b) = 2sin(a)sin(b)
[cos(a)cos(b) + sin(a)sin(b)] - [cos(a)cos(b) - sin(a)sin(b)] = 2sin(a)sin(b)
[cos(a)cos(b) - cos(a)cos(b)] + [sin(a)sin(b) + sin(a)sin(b)] = 2sin(a)sin(b)
2sin(a)sin(b) = 2sin(a)sin(b)
Answer:
help me
Step-by-step explanation:
Answer:
<h2>-9</h2>
Step-by-step explanation:
This would be -27/3 = -9
The answer is 3 just took the test