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Find the exact value of cos90°.
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Find the exact value of cos90°.

User Snow Bunting
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cos90° is equal zero

User Honeybear
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User Nahano
asked Feb 5, 2020 167k views
Select the functions that have a value of 1. sin 90° cos90° tan90° csc90° sec90° cot90°
Nahano asked Feb 5, 2020
by Nahano
8.1k points
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