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Prove that 8 sin26 .sin34 .sin60.sin86= 8 sin⁡〖26^o 〗×sin⁡〖34^0 x〗 sin⁡〖60^0 〗×sin⁡〖86^0 〗=√3 sin⁡〖78^(0⋅) 〗

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