Answer:
b?
Step-by-step explanation:
If you have pick it, then you should be offered choices and you should include them in the question.
The answer is 3.09
Answer:
2x+6 or 2 ( 3x + 1 )
Step-by-step explanation:
Cos(arcsin(u)) = √(1 - u²)
_____
You want cos(α) where sin(α) = u.
You know that
cos(α)² + sin(α)² = 1
cos(α)² = 1 - sin(α)² = 1 - u²
cos(α) = √(1 - u²)