Answer:A -3,6
Step-by-step explanation: Substitue the answers in and they work out
ANSWER
3) b
EXPLANATION
Given that:

and

Recall that the sine and cosine functions are equal for complementary angles.
This implies that,


The correct answer is 23/6. Hope this helps.
Answer:


General Formulas and Concepts:
- Order of Operations: BPEMDAS
- Distance Formula:

- Midpoint Formula:

Step-by-step explanation:
<u>Step 1: Define</u>
(5, -1)
(-9, -1)
<u>Step 2: Find distance </u><em><u>d</u></em>
- Substitute:

- Simplify:

- Subtract/Add:

- Evaluate:

- Evaluate:

<u>Step 3: Find Midpoint</u>
- Substitute:

- Subtract:

- Divide:

No because u would multiply to get a common denominator and it would be 4/6 5/6