12 < 7n
It is true for n=2, 3 and 4
Given:
To find:
The exact value of cos(u-v) if both angles are in quadrant 3.
Solution:
In 3rd quadrant, cos and sin both trigonometric ratios are negative.
We have,
Now,
On further simplification, we get
Similarly,
Now,
Therefore, the value of cos (u-v) is 0.1872.
Answer:
Find Radius using distance formula.
=
Since the point (-15, y) lies on the circle. The distance between (-7, -1) and
(-15, y ) will be 17 units.
So again using distance formula we will find y.
point (-15, 14)
Answer:
-5
Step-by-step explanation:
Assuming that each unit is 1, then it is rise over run, which is -5/1=-5