For lines c, d and e, m_1= 90° and m_3=90° For the given diagram and angle measures, use complete sentences to describe each pai
r of lines as parallel or perpendicular. In your description, include the special angle relationship between angles 1 and 3. a. lines d and e b. lines d and c
1 answer:
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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.