Trig functions
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Cos pi
-1
Sin 3pi/2
-1
Cos 3pi/2
0
Cos pi/2
0
Sin 0
0
Sin 2pi
0
Sin pi
0
Tan 0
0
Tan 2pi
0
Tan pi
0
Cos 0
1
Cos 2pi
1
Sin pi/2
1
Tan pi/4
1
Cos pi/3
1/2
Sin pi/6
1/2
D/dx (tanx)
Sec^2x
D/dx (secx)
Secx•tanx
Cos pi/4
Sqrt2/2
Sin pi/4
Sqrt2/2
Tan pi/3
Sqrt3
Cos pi/6
Sqrt3/2
Sin pi/3
Sqrt3/2
Tan pi/6
Sqrt3/3
Tan 3pi/2
Undef
Tan pi/2
Undef
