True or False?
A real identity — half of them subtly broken. You guess; the verdict is checked, not assumed.
Randomly
equations.identity
equations.identity
Name
Class
Date
-
1.
ln(1/a) = -exp(a)
-
2.
1 + tan(x)^2 = 1/sin(x)^2
-
3.
cos(2x) = cos(x)^2 - sin(x)^3
-
4.
sin(2x) = 2sin(x)sin(x)