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Find the value of (1 + Cos π/8)×.(1+cos3π/8)×(1+cos 5π/8 ) ×(1+cos7π/8) . |
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Answer» Find the value of (1 + Cos π/8)×.(1+cos3π/8)×(1+cos 5π/8 ) ×(1+cos7π/8) . |
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