Answer:
○ [tex]-\frac{\sqrt{6} + \sqrt{2}}{4} = \frac{-\sqrt{6} - \sqrt{2}}{4}[/tex]
Step-by-step explanation:
Input this trigonometric ratio into a scientific calculator, and you will end up with the above answer.
* I also included its high term, so you know which answer to choose from.
I am joyous to assist you anytime.
