asked 26.1k views
1 vote
Express sin110 as ratio of acute angle

asked
User Smegger
by
7.6k points

1 Answer

1 vote

Answer:

sin70°

Explanation:

Given sin110° where 110° is an obtuse angle in the second quadrant.

The related acute angle in the first quadrant is 180° - 110° = 70°

Thus

sin110° = sin70°

answered
User Stephen Doyle
by
8.6k points

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