Answer: r = 4 sec θ
Explanation: Using: x = r cos θ then r cos θ = 4 ⇒ r = 4 cos θ = 4 sec θ
Yes -1 is a rational number. We can express it as a fraction of two whole numbers
One way is -1 = -1/1
Answer:

Step-by-step explanation:
=> 78% makes:
=> 
<u><em>In simplest form:</em></u>
=>
The answer B represent the liner function