Log ind
WAEC - Mathematics (1998 - No. 34)
In \(sin(X+30)^o=cos40^o\),find X
10
o
20
o
50
o
60
o
90
o
Forklaring
\(sin(X+30)^o=cos40^o\\
X+30+40=90^o\)complementary angles
\(X=20^o\)
Kommentarer (0)
Log ind for at kommentere
Reklame
Tillad, at javascript indlæser denne side korrekt
