सिद्ध करें कि sin^(2)10^(@)+sin^(2)20^(...

सिद्ध करें कि `sin^(2)10^(@)+sin^(2)20^(@)+sin^(2)30^(@)+sin^(2)40^(@)+sin^(2)50^(@)+sin^(2)60^(@)+sin^(2)70^(@)+sin^(2)80^(@)+sin^(2)90^(@)=5`.

सिद्ध करें कि sin^(2)10^(@)+sin^(2)20^(@)+sin^(2)30^(@)+sin^(2)40^(@)...
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sin ^ (2) 5 ^ (@) + sin ^ (2) 10 ^ (@) + sin ^ (2) 15 ^ (@) + ...... +...
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sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+ . . . .+sin^(2)85^(@)+sin^(2...
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सिद्ध करे की sin^(2)5^(@)+sin^(2)10^(@)+sin^(2)15^(@)+....+sin^(2)...
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sin^(2) 30^(@) + sin^(2) 45^(@) + sin^(2) 60^(@) +sin^(2) 90^(@) का मा...
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सिद्ध करें कि sin^(2)10^(@)+sin^(2)20^(@)+sin^(2)30^(@)+sin^(2)40^(@)...
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सिद्ध करें कि sin^(2)85^(@)+sin^(2)80^(@)+sin^(2)10^(@)+sin^(2)5^(@...
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(cos 20^(@)+8 sin 70^(@) sin 50^(@) sin 10^(@))/( sin^(2)80^(@)) is eq...
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sin ^2 5^@ + sin ^2 10^@ + sin ^2 15 ^2 + …….. + sin^2 90^2 =
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