FORMULASHEET
-3x 11-194 -( 5) a
2Tam (a) x2(x4,4o) (o1)
tan(24) 1-t'(a),
A
(arb) =a2ab+b
C2cl2/r 21
CLASS-12
,INVERSE TRIGONOMETRIC FUNCTIONS
RANGE
(PRINCIPAL VALVE BRANCH)
FUNCTIONS DOMAIN
[-1, 1]
[-1, 1] Lo, Tt]
R-(-1, 1)
R- (-1, 1) [o, ]- (I}
y= tan'y
CREAtIVt)
C
tam (-) - tan Lom 3e = 3tan g- tan°
cec (-x) = - coe 1-3 tn-e
co(-a) =I- co 2 tame = &in 29
1+2
cet(- )= Ti-et
2tat8- cu 1-e3
1+e 2
2
2tan'o = tan 2e
1- 8
´e/,
1+cad &= 2cL
, foudas
6) ton(-x)-tanx