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tan(x)
sin(x) / cos(x)
sin(30)
1/2
sin(45)
(radical 2) / 2
sin(60)
(radical 3) / 2
cos(30)
(radical 3) / 2
cos(45)
(radical 2) / 2
cos(60)
1/2
tan(30)
(radical 3) / 3
tan(45)
1
tan(60)
radical 3
sec(x)
1 / cos(x)
csc(x)
1 / sin(x)
cot(x)
1 / tan(x)
pythagorean identity
sin²(x)+cos²(x)=1
pythagorean identity 2
cot²(x)+1=csc²(x)
pythagorean identity 3
tan²(x)+1=sec²(x)
1 radian = ?
180/pi degrees
x radians = ?
180x/pi degrees
pi radians = ?
180°
x degrees = ?
m(pi) / 180 radians
sin(x+y) = ?
sin(x)cos(y)+cos(x)sin(y)
sin(x-y) = ?
sin(x)cos(y)-cos(x)sin(y)
cos(x+y) = ?
cos(x)cos(y)-sin(x)sin(y)
cos(x-y) = ?
cos(x)cos(y)+sin(x)sin(y)