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How to find cos11pi/3. what is the steps to find this

How to find cos11pi/3. what is the steps to find this
asked 130k views
2 votes
How to find cos11pi/3. what is the steps to find this

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User Cgon
by
8.4k points

1 Answer

4 votes
cos(11π/3)

=cos(660)

=cos(360+180+90+30)

=cos(60)

=1/2

*Use the trigonometric quadrants to figure out the answer (All, Sin, Tan, Cos). And create the 60 degree right angled triangle with an adjacent side 1 and a hypotenuse of 2.
How to find cos11pi/3. what is the steps to find this-example-1
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User Nmadhok
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8.2k points
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