The answer is b
first do x+1, which is 4
then do 4(4), which is 16
then add the 3 to 16, which is 19, thus b is correct
Answer:

Step-by-step explanation:
We can use the double angle identity for sine.

The given expresion is

We apply the identity to get:

We simplify to obtain;

This simplifies to:
The correct answer is D
1416 is the answer hope this helps and please give me brainliest
Answer:
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Answer:
Step-by-step explanation: