SOLUTION: factor the trigonometric expression 64 sec^2y - 16 sec y + 1

Algebra ->  Trigonometry-basics -> SOLUTION: factor the trigonometric expression 64 sec^2y - 16 sec y + 1      Log On


   



Question 767413: factor the trigonometric expression
64 sec^2y - 16 sec y + 1

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
factor the trigonometric expression
64 sec^2y - 16 sec y + 1
Use quadratic formula to solve for sec(y)
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
a=64, b=-16, c=1
ans:
(sec(y)-1/8)(sec(y)-1/8)