SInX Và COSX sinx va tanx cosx va tanx cotx va tanx
a
xe lt kake Z x= + ke Z
xz + ke Z xz^ +È2,ke Z
Cc
Sinx va tanx Sinx va cotx Cosx va tanx Sinx va cosx
x=-T+È2z.ke Z x=+“+È2Z.ke Z
=Š” +2kzz,ke Z
x =—7 +2ka,k Z
x
d
x=+ ` +È2,ke Z x= 222 +ha,ke Z
x=+-+Ä27,kc Z
a
x=T+k2z,ke Z
Trang 2
x=T-+k,ke Z
vo ke Z
4 2 yao Bike Z
2 2
d
xX =arccos2 +k ,kE Z
x =arcecot2? +k7,kE 7
x = -t+arccot2 + kZữ,k€ Z
X = arccot2 + 2k 7¿, k€ Z
b
1
2 -]
-2
A
sin x =—1 sin x =—
sin x —1 sin x =——
Ssinx = -E]
sin x =—
vat +2ka,ke Z
XxX
x= 25 4 2ka, ke Z
x =+7 +2ka,ke Z
x = 42ka,ke Z
d