Answer: (-1/5, 2/5)
Step-by-step explanation:
See the photo for explanation and work.
Well when ever you're doing order of operations you always use please excuse my dear aunt sally please means parentheses ALWAYS GO FIRST Excuse means experience which if there's no parentheses exponents go first to my name is multiplication after parentheses multiplication always go first if there's no parentheses dear means division after multiplication comes division on means addition but pretty much after the multiplication parentheses and the division you complete the rest of the problem using the left to right method now the answer to this problem is
In any triangle, the longest side is always opposite to the largest angle.
In this case, the longest the side is the side opposed to 80°
Is this is text book because if it is first you can look back at the end of the text book and it will give you your answer or second if it’s a text book you can use the app Slader and it should give you answers!