-77 is the correct answer. Hope this helped. Comment if you would like a more detailed answer.
<h3>Substitute and Check:</h3>
<h3>We can stop here and conclude that ( 1 , 3 ) is not a solution to this system, since it does not even satisfy the first equation, but check for the other one just in case:</h3>
Answer:
two
Step-by-step explanation:
The exact value of sec(60°) sec ( 60 ° ) is 2 .
