Answer:
0.76
Step-by-step explanation:
19 divided by 25 is 0.76
Answer:
(-13,12)
Step-by-step explanation:
So, first, you make two separate equations.
4 + x = -9 (The 4 is from Q and the -9 is from V)
-11 + y = 1 (The -11 is from Q and the 1 is from V)
Then, you subtract 4 from both sides on the first one, and subtract -11 from both sides on the second one.
You should get:
x = -13
y = 12
Answer:
see below
Step-by-step explanation:
cos ( x+pi/2) = -sinx
We know that
cos(A + B) = cos A cos B - sin A sin B
Let x = A and pi/2 = B
cos x cos pi/2 - sin x sin pi/2 = -sin x
We know cos pi/2 = 0 and sin pi/2 = 1
cos x * 0 - sin x *1 = -sin x
- sin x = - sin x
The inscribed angle is always half of the central angle.
So 60÷2=30