TRIGONOMETRY
30
60
BOsic
Mathematies
Sime
\/2
Additie
temulas
Cos
(A-B
CesAcsBtsinAsinB
tanAtB):
tom
A
tton&
|-tonAtan
B
teme
"
tamA-B):
tonAtan&
|+
toMAtom
"tan&’ad)
*Tigmemetic
tuneon
at
an
anglo (ennte)
her
n
),,3--.
wilhenem
me
d
DIFFeRENTIATI
ON
tome
vin
ot
h tue
tan
ue
"Ruls
dubteretiation:
ldentiies:
#
Fous
auadrat
bystem
dyl
dx
ivy
sin20
2nco
|-
2Sh
vij
tama-
2taY
tona
o-
e)>
cst
tan(4o+e)-
-cot
tane2to-)
>
ca
tan(ote)= -
&tô
Ae
te
Sne
Itamo
!
#1808360
qngees
dot
change
