sin
cos(x)=
1/sec(x)
sin=
1/csc
tan=
1/cos
csc=
1/sin
sec=
1/cos
secxsinx/tanx+cotx = sin2x
sinx/cosx x sinxcosx = sin2x
cos2x-1
sin2x
tan also=
sinx/cosx
csc2=
1+cot2
sec2=
1 + tan2
sin2x+cos2x=
1
cosx+1/sin3x= cscx/1-cosx
cscx/1-cosx
cot=
cos/sin
sec2x/ sec2x-1= csc2x
=csc2x
secx - tanxsinx = 1/secx
cosx =1/secx
sin2x-1
cos2x
cos2 x = csc x cos x / tan x + cot x
cos x / sin x 1 = cos2 x / 1 = cos2 x
cot also =
1/tan
1+cot2x=
csc2x
tan2x+1=
sec2x
tan2x / (tan2x +1) = sin2x
(sin2 x /cos2 x )? (cos2x /1) =sin2x
cos4(x) – sin4(x) = cos(2x)
cos2(x) + sin2(x) = 1
(cos x/1 - sin x) - (cos x /1 + sin x) = 2 tan x
2 sin x/ cos x = 2 tan x
(sinx+cosx)(tanx+cotx)=secx+cscx
= 1/cos+1/sin+1/cscx
tan x sin x + cos x = sec x
= 1 cos x = sec x