यदि `a sec (200^(@)) - c tan (200^(@)) = "d तथा b sec" (200^(@)) + d tan(200^(@)) = c`, जहाँ a, b, c, d `in` R है, तो `((a^(2) + b^(2) + c^(2) + d^(2))/(bd - ac))sin 20^(@)` का मान ज्ञात कीजिए |

Answer

2