Questions Asked

asdfasdfasdfasdfasdf1:
Group Title
Why does the addition sign change in 9^(n+2) when you convert it to 1/9^(n2)?
 updated one year ago
 3 replies
 1 Medal

asdfasdfasdfasdfasdf1:
Group Title
how does sin^2(x) = (1cos(2x))/2?
 updated one year ago
 2 replies
 1 Medal

asdfasdfasdfasdfasdf1:
Group Title
How do you know that tan(1/2) = pi/4 and tan(1/4) = 1.. etc. etc?
 updated one year ago
 18 replies
 4 Medals

asdfasdfasdfasdfasdf1:
Group Title
How does x/(x+1) = 11/(x+1)
 updated one year ago
 15 replies
 3 Medals