Trig Identities (ALL)
tan 0
tan(x)=0
tan pi/4
tan(x)=1
tan pi/6
tan(x)=1/sqrt(3)
tan pi/2
tan(x)=DNE
tan pi/3
tan(x)=sqrt(3)
cos^2(x)
(1+cos(2x))/2
tan^2(x)
(1-cos(2x))/(1+cos(2x))
sin^2(x)
(1-cos(2x))/2
tan(2x)
2tan(x)/(1-tan^2(x))
30,45,60,90,120,135,150,180,210,225,240,270,300,315,330,360
Degrees of Unit Circle (comma between each one) till 360
1+cot^2(x)=csc^2(x)
Pathagorean Identity of cot and csc
sin^2(x)+cos^2(x)=1
Pathagorean Identity of sin and cos
tan^2(x)+1=sec^2(x)
Pathagorean Identity of tan and sec
pi/6,pi/4,pi/3,pi/2,2pi/3,3pi/4,5pi/6,pi,7pi/6,5pi/4,4pi/3,3pi/2,5pi/3,7pi/4,11pi/6,2pi
Radians of Unit Circle (comma between each one) till 2pi
cos^2(x)-sin^2(x)
cos(2x) 1st Identity
2cos^2(x)-1
cos(2x) 2nd Identity
1-2sin^2(x)
cos(2x) 3rd Identity
cos pi/2
cos(x)=0
cos 0
cos(x)=1
cos pi/3
cos(x)=1/2
cos pi/4
cos(x)=sqrt(2)/2
cos pi/6
cos(x)=sqrt(2)/2
2sin(x)cos(x)
sin(2x)
sin 0
sin(x)=0
sin pi/2
sin(x)=1
sin pi/6
sin(x)=1/2
sin pi/4
sin(x)=sqrt(2)/2
sin pi/3
sin(x)=sqrt(3)/2