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Sin155º = A) -sin25° B) sin25° C)sin(-25)°
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3 votes
Sin155º =
A) -sin25°
B) sin25°
C)sin(-25)°

User Valenzio
by
4.6k points

1 Answer

5 votes

sin(155)º = sin(180 - 25)º = sin(25)º

=> B) sin25º

User Paul Coldrey
by
5.4k points
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