SOLUTION: Find the exact value of 1-cos squared 10 degrees - cos squared 80 degrees. How do I do this without using a calculator? Please help! Ive been out of school for a while and I'm real
Algebra ->
Trigonometry-basics
-> SOLUTION: Find the exact value of 1-cos squared 10 degrees - cos squared 80 degrees. How do I do this without using a calculator? Please help! Ive been out of school for a while and I'm real
Log On
Question 728467: Find the exact value of 1-cos squared 10 degrees - cos squared 80 degrees. How do I do this without using a calculator? Please help! Ive been out of school for a while and I'm really far behind! Answer by Alan3354(69443) (Show Source):
