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Profit sharing ratio between H and V at the end of 1st year, => [(p+20000) x 8 + (p+20000 – 40000) x 4] : [(p-20000) x 12] => (3p + 20000) : (3p – 60000) According to the question, => [(3p – 60000)/{(3p+20000)+(3p-60000)}] x 17400 = 7200 => [(3p – 60000)/(6p – 40000)] x 17400 = 7200 On solving p we get, => p = Rs. 84000
sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + ……… + sin2 81 ° = ?
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Simplify the given equation: