Answer:
I HAVE THE same question i need helpp ty ;/
Step-by-step explanation:
Answer:4.34
...
1. 0.002
2. 308%
3. 2 6/10
true
1/2 (sin(x+y)+sin(x-y))
= 1/2 (sin x cos Y + cos x sin y + sin x cos y - cos x sin y)
= 1/2 * 2 sin x cos y
= sin x cos y
The expression is true.
8.45 is the answer
Hope it helps you
