6)
tan20° = a olduğuna göre,
tan160°-tan110°
1+tan160° tan110°
ifadesinin a türünden değeri aşağıdakilerden han-
gisidir?
Im
A)
a²-1
2a
Stá
strs
B) 1-a²
2a
cost 42
Sing
C) a²
a
co
Sagot :
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