Basic identitys
1/csc(x)
sin(x)
sin^2+cos^2 equals?
1
cos(-x) equals
cos(x)
sin(2x)
2sin(x)cos(x)
1/sec(x)
cos
1-sin^2 equals
cos ^2
sin(-x) equals
-sin(x)
cos2x equals?
cos^2(x)-sin^2(x)
sin/cos(x)
tan
1+cot^2 equals?
csc^2
csc(-x) equals?
-csc(x)
DAILY DOUBLE
tan(x) +cot(x) equals?
csc(x)sec(x)
1/tan(x)
cot(x)
tan^2 +1 equals
sec^2
cot(-x) equals?
-cot(x)
tan(2x)
2tan(x)/1-tan^2(x)
1/cot(x)
Tan(x)
1-csc^2=
1-cot^2
tan(-x) equals?
-tan(x)
cos2(x) equals?
1-2sin^2(x)