sino Pfp
a coso Efp
tano Gj
012
91 1 B
5252
Bil
210
cost1009 cos c10093609 005260 cos 1804859 80
M
, sin465 sin 46503609 sin105 sin 1807550 Sin75
A
90
co functions
90 0 900 0 9010 and 270010
cos changes to sin or
180 0 360 0 sin changes to cos
180 0 eg sin 900 0 coso
cos 90 0 sino
180 0 360 0
270 0 270 0
270
eg cost siñÉ60 o sino
c tnigo.sin
egtanu8o sc siniattootoo changesto cos
sin c 0011710
tans cost
sins
sin150
eg 19B issue
75
pythags
7 15
FE
, Note trigtrinomials
eg tan 0 sin Q tanzo sino
tan.ttsino
RHS It
tan o sino
sino 2sinocos0 3050
Eff sino
fiff since sino 3050 sinocoso
i
LHS RHS
Whenanidentitycontainstano it is undefinedfor 0 90 4.180KEZ
Whenanidentityhas thevariable inthedenominator itcan't o
eg 2
sEsc 2 tanx
afteryouhaveproventheidentity
youhavetosayforwhichvaluesof x theidentityisnot
defined
x 909k180
AND
05
904k360 KEZ
a coso Efp
tano Gj
012
91 1 B
5252
Bil
210
cost1009 cos c10093609 005260 cos 1804859 80
M
, sin465 sin 46503609 sin105 sin 1807550 Sin75
A
90
co functions
90 0 900 0 9010 and 270010
cos changes to sin or
180 0 360 0 sin changes to cos
180 0 eg sin 900 0 coso
cos 90 0 sino
180 0 360 0
270 0 270 0
270
eg cost siñÉ60 o sino
c tnigo.sin
egtanu8o sc siniattootoo changesto cos
sin c 0011710
tans cost
sins
sin150
eg 19B issue
75
pythags
7 15
FE
, Note trigtrinomials
eg tan 0 sin Q tanzo sino
tan.ttsino
RHS It
tan o sino
sino 2sinocos0 3050
Eff sino
fiff since sino 3050 sinocoso
i
LHS RHS
Whenanidentitycontainstano it is undefinedfor 0 90 4.180KEZ
Whenanidentityhas thevariable inthedenominator itcan't o
eg 2
sEsc 2 tanx
afteryouhaveproventheidentity
youhavetosayforwhichvaluesof x theidentityisnot
defined
x 909k180
AND
05
904k360 KEZ
