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What is cos(3л)? A) 1 B) 0 C) -1 D) -2
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1 vote
What is cos(3л)?

A) 1 B) 0 C) -1 D) -2

User Jacques Kvam
by
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1 Answer

4 votes
A) 1
is the right answer since in the calculator it shows 0.98, that would be rounded off to 1
User Nuryagdy Mustapayev
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