Find the cosine of 90°.
Solution:-
The coordinate at 90° is (0, 1). The cosine represents the x-coordinate of the ordered pair. Therefore, the cosine of 90° is 0.
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Find the cosine of 90°.
Solution:-
The coordinate at 90° is (0, 1). The cosine represents the x-coordinate of the ordered pair. Therefore, the cosine of 90° is 0.