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Find the Exact Value cos⁡3π8+cos⁡π8\cos \frac { 3 \pi } { 8 } + \cos \frac { \pi } { 8 }

Question 50

Short Answer

Find the exact value. cos⁡3π8+cos⁡π8\cos \frac { 3 \pi } { 8 } + \cos \frac { \pi } { 8 }

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