Home > PC > Chapter 6 > Lesson 6.3.1 > Problem 6-115
6-115.
Rewrite each of the following series using summation notation. Homework Help ✎
cos(1.2) + cos(1.5) + cos(1.8) + … + cos(3.9)
1 − 3 + 5 − 7 + 9 − 11 + … + 201
What expression would change the sign back and forth (+ to −)?
(−1)n
n is an integer.
What expression gives odd numbers?
2n + 1