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If theta_(2) and theta_(2) are the angles made by the lines (x^(2)+y^(2))(cos^(2) theta sin^(2)alpha+ sin^(2) theta)= (x tan alpha- y sin theta)^(2) with positive axis of x in the anticlock wise direction, if theta=(pi)/(6), tan theta_(1)+ tan theta_(2), equals |
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Answer» `(-(8)/(3)) SIN^(2) ALPHA` |
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