Answer:
-sqrt(3)/2
Step-by-step explanation:
Use double angle identity for sin(2x)
sin(2x)=2sin(x)cos(x)
We are given sin(x)=-1/2 so we already have so far that:
sin(2x)=2(-1/2)cos(x)
sin(2x)=-1*cos(x)
We just need to find cos(x).
x is in the fourth quadrant so cosine will be positive there
knowing the unit circle we should know that if sin(x)=-1/2 then cos(x)=sqrt(3)/2 while in 4th quadrant.
So the answer is sin(2x)=-1*sqrt(3)/2=-sqrt(3)/2
Answer:
Identify the dependent variable as either increasing, decreasing, or unchanged as the independent variable increases and is possible to have no relationship shown on the graph.
Answer:
Number of R marbles=3.
Number of G marbles=5
Number of B marbles=2
Number of W marbles=1
after this then you add the marbles together ,
which will give you 11.
number of marbles\ total number of R marbles
3÷11
Answer:
46.6 mph
Step-by-step explanation:
1 Kph is .6213 mph
Answer: Associative property
Explanation: The associative property is a math rule that says that the way in which factors are grouped in a multiplication problem does not change the product. Example: 5 × 4 × 2 5 \times 4 \times 2 5×4×2.