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In right triangle ABC with right angle B, the sin 48° is equal to the cosine of what angle measure?

Answers:

48°

42°

90°

52°

User Royston
by
4.9k points

1 Answer

1 vote

Answer:

42

Explanation:

from the trigonometric identity


sin \beta =cos(90 -\beta )

if
\beta=48 hence


90-48=42

hence


sin48=cos42

User Phil Freihofner
by
5.0k points