What I did is to add 0.52
+0.15
then try to find what could equal the same amount with 0.52
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
Answer: b is the answer
Step-by-step explanation:
2400-1200=1200
The exponent tells you how many places to move.
Answer:
-(1/4)
Step-by-step explanation: