Questions tagged 'Angle between the pair of straight lines'

• If the lines represented by the equation $a{{x}^{2}}-bxy-{{y}^{2}}=0$ make angles $\alpha $ and $\beta $ with the x-axis, then $\tan (\alpha +\beta )$=
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• Angle between the lines represented by the equation ${{x}^{2}}+2xy\sec \theta +{{y}^{2}}=0$ is
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• If the acute angles between the pairs of lines $3{{x}^{2}}-7xy+4{{y}^{2}}=0$ and $6{{x}^{2}}-5xy+{{y}^{2}}=0$ be ${{\theta }_{1}}$ and ${{\theta }_{2}}$ respectively, then
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• The angle between the lines represented by the equation $a{{x}^{2}}+xy+b{{y}^{2}}=0$ will be ${{45}^{o}}$, if
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• The lines represented by the equation $9{{x}^{2}}+24xy+16{{y}^{2}}+21x+28y+6=0$ are
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• Acute angle between the lines represented by $({{x}^{2}}+{{y}^{2}})\sqrt{3}=4xy$ is
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• Angles made by the lines represented by the equation $xy+y=0$with $y-$axis are
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• If the angle between the lines represented by the equation ${{y}^{2}}+kxy-{{x}^{2}}$${{\tan }^{2}}A=0$be $2A$, then $k=$
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• The angle between the lines $xy=0$ is
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines
• The angle between the lines represented by the equation $4{{x}^{2}}-24xy+11{{y}^{2}}=0$ are
  Category: pair-st-lines | Tags: Angle between the pair of straight lines, Condition for parallel and perpendicular lines

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