85791 If \(\theta\) is an angle between the curves \(x^{2}+4 y=0\) and \(x y=2\), then \(\tan \theta=\)

85792 The angle between the curves \(y^{2}=8(x+4)\) and \(y^{2}=\mathbf{2 4}(4-x)\) is

85793 A ladder \(5 \mathrm{~m}\) long is leaning against a wall. If the top of the ladder slides downwards at a rate of \(10 \mathrm{~cm} . \mathrm{sec}^{-1}\), then the rate at which the angle between the floor and the ladder decreases, when the lower end of ladder is \(2 \mathrm{~m}\) from the wall, is radian. sec

85794 The angle between the curves \(\mathrm{y}^{2}=4 \mathrm{ax}\) and ay \(=\)

85795 If the angle between the curves \(y^{2}=4 x\) and \(y=\) \(\mathrm{e}^{-\mathrm{x} / 2}\) is \(\theta\), then \(\operatorname{cosec}^{2}(\theta / 2)=\)

85791 If \(\theta\) is an angle between the curves \(x^{2}+4 y=0\) and \(x y=2\), then \(\tan \theta=\)

85792 The angle between the curves \(y^{2}=8(x+4)\) and \(y^{2}=\mathbf{2 4}(4-x)\) is

85793 A ladder \(5 \mathrm{~m}\) long is leaning against a wall. If the top of the ladder slides downwards at a rate of \(10 \mathrm{~cm} . \mathrm{sec}^{-1}\), then the rate at which the angle between the floor and the ladder decreases, when the lower end of ladder is \(2 \mathrm{~m}\) from the wall, is radian. sec

85794 The angle between the curves \(\mathrm{y}^{2}=4 \mathrm{ax}\) and ay \(=\)

85795 If the angle between the curves \(y^{2}=4 x\) and \(y=\) \(\mathrm{e}^{-\mathrm{x} / 2}\) is \(\theta\), then \(\operatorname{cosec}^{2}(\theta / 2)=\)

85791 If \(\theta\) is an angle between the curves \(x^{2}+4 y=0\) and \(x y=2\), then \(\tan \theta=\)

85792 The angle between the curves \(y^{2}=8(x+4)\) and \(y^{2}=\mathbf{2 4}(4-x)\) is

85793 A ladder \(5 \mathrm{~m}\) long is leaning against a wall. If the top of the ladder slides downwards at a rate of \(10 \mathrm{~cm} . \mathrm{sec}^{-1}\), then the rate at which the angle between the floor and the ladder decreases, when the lower end of ladder is \(2 \mathrm{~m}\) from the wall, is radian. sec

85794 The angle between the curves \(\mathrm{y}^{2}=4 \mathrm{ax}\) and ay \(=\)

85795 If the angle between the curves \(y^{2}=4 x\) and \(y=\) \(\mathrm{e}^{-\mathrm{x} / 2}\) is \(\theta\), then \(\operatorname{cosec}^{2}(\theta / 2)=\)

85791 If \(\theta\) is an angle between the curves \(x^{2}+4 y=0\) and \(x y=2\), then \(\tan \theta=\)

85792 The angle between the curves \(y^{2}=8(x+4)\) and \(y^{2}=\mathbf{2 4}(4-x)\) is

85793 A ladder \(5 \mathrm{~m}\) long is leaning against a wall. If the top of the ladder slides downwards at a rate of \(10 \mathrm{~cm} . \mathrm{sec}^{-1}\), then the rate at which the angle between the floor and the ladder decreases, when the lower end of ladder is \(2 \mathrm{~m}\) from the wall, is radian. sec

85794 The angle between the curves \(\mathrm{y}^{2}=4 \mathrm{ax}\) and ay \(=\)

85795 If the angle between the curves \(y^{2}=4 x\) and \(y=\) \(\mathrm{e}^{-\mathrm{x} / 2}\) is \(\theta\), then \(\operatorname{cosec}^{2}(\theta / 2)=\)

85791 If \(\theta\) is an angle between the curves \(x^{2}+4 y=0\) and \(x y=2\), then \(\tan \theta=\)

85792 The angle between the curves \(y^{2}=8(x+4)\) and \(y^{2}=\mathbf{2 4}(4-x)\) is

85793 A ladder \(5 \mathrm{~m}\) long is leaning against a wall. If the top of the ladder slides downwards at a rate of \(10 \mathrm{~cm} . \mathrm{sec}^{-1}\), then the rate at which the angle between the floor and the ladder decreases, when the lower end of ladder is \(2 \mathrm{~m}\) from the wall, is radian. sec

85794 The angle between the curves \(\mathrm{y}^{2}=4 \mathrm{ax}\) and ay \(=\)

85795 If the angle between the curves \(y^{2}=4 x\) and \(y=\) \(\mathrm{e}^{-\mathrm{x} / 2}\) is \(\theta\), then \(\operatorname{cosec}^{2}(\theta / 2)=\)