Summary: SOLUTION TO PROBLEM 1562
PROPOSED BY J. WICKNER, ET AL.
Tewodros Amdeberhan
DeVry Institute, Mathematics
630 US Highway One, North Brunswick, NJ 08902
amdberhan@admin.nj.devry.edu
Problem 1562: P Prove that
1 tan
1
4tan,1
4

= 2

cos6
17 + cos10
17

:
Proof: Let z := 2cos6

Source: Amdeberhan, Tewodros - Department of Mathematics, Tulane University

Collections: Mathematics