Home > Just Math
| Trigonometric progression (Posted on 2014-08-24) |
 |
Show that :
tan [(n+1)a/2] = (sin a + sin 2a + ... + sin na)/(cos a + cos 2a + ... + cos na)
Comments: (
You must be logged in to post comments.)
| |
Subject |
Author |
Date |
 | solution | Ady TZIDON | 2014-08-24 11:46:28 |
|
|
Please log in:
Forums (1)
Newest Problems
Random Problem
FAQ |
About This Site
Site Statistics
New Comments (17)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
|
