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Please help I dont understand
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3 votes
Please help I dont understand

Please help I dont understand-example-1
User Untrots
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1 Answer

3 votes

Answer:

0

Explanation:

f(x) = cos 3x

Let x = pi /6

f( pi /6) = cos (3pi/6)

cos (pi/2)

0

User Anthares
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