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Determine all points of intersection: y=cosx and y=sinx in the first quadrant

Determine all points of intersection: y=cosx and y=sinx in the first quadrant
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Determine all points of intersection: y=cosx and y=sinx in the first quadrant

User Jonas Petersson
by
7.9k points

1 Answer

2 votes
There is just one value in the first quadrant where:
sin x = cos x =
( √(2) )/(2)
The point is (
( √(2) )/(2) , ( √(2) )/(2)) and x=45°=π/4
User Alex De Sousa
by
8.7k points
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