Techie Math Teacher Blog

Stunning Algebra: ( December 21 – December 28, 2013)

Graph of Cubic For what value(s) of x is the graph of the cubic is above x-axis?   Submit Answer You can also send your answer to techiemathteacher@gmail.com . Please DON’T FORGET TO INCLUDE YOUR NAME AND...

Sum of finite Cosine Series

In the previous topic we discussed about the method of getting the sum of finite sine series. Now we will extend our learning to cosines. In this topic I will give a three simple...

Sum of Finite Sine Series

In trigonometry, it is easy to find the sum of finite series of sine of angles using our heroic calculator. What about if we are ask to find an expression to represent such series?...