It is known that cos(1/6) = 13/2. Use this information to determine exact values of 117 and 6 6 77 571 COS ola COS COS
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It is known that cos(1/6) = 13/2. Use this information to determine exact values of 117 and 6 6 77 571 COS ola COS COS
It is known that cos(1/6) = 13/2. Use this information to determine exact values of 117 and 6 6 77 571 COS ola COS COS
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