Most likely cot x = cos x / sin x , but i'm still learning this myself. I hope it helps :)
Answer:

<em>(None of the answer choices you've provided match the correct answer.)</em>
Step-by-step explanation:
Given:

To find the solution (what
equals), we must divide both sides of the equation by the coefficient of

Therefore, the solution of
is
.
-
We can check our work by substituting the solved value of
into the given equation:



Since both sides of the equation are equal to each other, our solution is correct!
Answer: Its D :)
Step-by-step explanation: