Half angles
double angles
simplifying trig identities
sum/dif exact values
100
+ or - square root of 1-cos (x) / by 2
Formula of X/2
100
sin 2x equals 2sin x cos x
formula of sin 2x
100
sin x
simplify (cos x ) (tan x )
100
cos (x+y) equals (cos x)(cos y)-(sin x)(sin y)
formula of cos (x+y)
200
sin x/2 equals -3 square root of 10 divided by 10
cos(x) equals -4/5 ,quad 3 find sin x/2
200
sin 2x equals -8 square root of 3/49
sin x equals -1/7 in quad 4 find sin 2x
200
sin x squared
simplify (sec x squared -1)/(sec squared)
200
sin 105 degrees equals -(square root of 6)+(square root 2)/4
sin 105 degrees equals?
300
tan x/2 equals (2-square root of 2) /2 square of 2
tan 112.5 degrees find tan x/2
300
cos 2x equals -120/169
sin x equals 5/13 in quad 2 find cos 2x
300
2/ cos x (1+sin x )
simplify (sin x /cos x)+(cos x / 1+sin x)
300
square root of 6 - square root of 2 / 4
What is cos 285degrees
400
tan x/2 equals -3 cos x/2 equals -(square root of 10/10)
sin x equals -3/5 in quad 3 find tan x/2 and cos x/2
400
tan 2x equals -120/119 cos 2x equals 119/169
cos x equals -12/13 find tan 2x and cos 2x
400
sec t
simplify cos t + (tan t) (sin t )
400
tan x - tan y / 1+(tan x) (tan y)
What is the formula of tan (x+y)
500
tan x/2 equals +-(square root of 1-cos x/1+cos x) equals 1-cos x /sin x equals sin x/1+cos x
formulas of tan x/2
500
cos 2x equals cos x squared - sin x squared equals 1-2sin x squared equals 2cos x squared -1
formula of cos 2x
500
tan x
simplify (sec x -cos x)/sin x
500
- square root of 3 + 1 /square root of 3 + 1
What is tan (-pie/12)
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