Coffeehouse Post
Single Post Permalink
View Thread: Math Quiz: 9 is number one

iStation said:algorith said:*snip*
OK!
Another one,lim x>0 [{sin(9x)}/x] = ?
Nice one. Here's another
Find the first positive real value of t for which the following is zero
256 cos^9(pi t / 162)  576 cos^7(pi t / 162) + 432 cos^5(pi t / 162) 120 cos^3(pi t/162) + 9 cos(pi t / 162)