SOLUTION: Cos^-1 (Sin π/8)
Algebra
->
Trigonometry-basics
-> SOLUTION: Cos^-1 (Sin π/8)
Log On
Algebra: Trigonometry
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Trigonometry-basics
Question 1058235
:
Cos^-1 (Sin π/8)
Answer by
Alan3354(69443)
(
Show Source
):
You can
put this solution on YOUR website!
Cos^-1 (Sin pi/8)
sin(pi/8) = cos(pi/2 - pi/8) = cos(3pi/8)
--> 3pi/8