Find the exact value of cos (5?/12)a) ?3-1/2?2b) 1+?3/?2c) 1-?3/?2d) 1+?3/2?/2
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Find the exact value of cos (5?/12)a) ?3-1/2?2b) 1+?3/?2c) 1-?3/?2d) 1+?3/2?/2
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