146399 The temperature of a body is measured both in ${ }^{0} \mathrm{C}$ and ${ }^{\circ} \mathrm{F}$. A graph is plotted with ${ }^{0} \mathrm{~F}$ on $\mathrm{X}$-axis and ${ }^{\circ} \mathrm{C}$ on $\mathrm{Y}$-axis. Then, the cosine of angle between the graph and the $\mathrm{X}$-axis is
146399 The temperature of a body is measured both in ${ }^{0} \mathrm{C}$ and ${ }^{\circ} \mathrm{F}$. A graph is plotted with ${ }^{0} \mathrm{~F}$ on $\mathrm{X}$-axis and ${ }^{\circ} \mathrm{C}$ on $\mathrm{Y}$-axis. Then, the cosine of angle between the graph and the $\mathrm{X}$-axis is
146399 The temperature of a body is measured both in ${ }^{0} \mathrm{C}$ and ${ }^{\circ} \mathrm{F}$. A graph is plotted with ${ }^{0} \mathrm{~F}$ on $\mathrm{X}$-axis and ${ }^{\circ} \mathrm{C}$ on $\mathrm{Y}$-axis. Then, the cosine of angle between the graph and the $\mathrm{X}$-axis is
146399 The temperature of a body is measured both in ${ }^{0} \mathrm{C}$ and ${ }^{\circ} \mathrm{F}$. A graph is plotted with ${ }^{0} \mathrm{~F}$ on $\mathrm{X}$-axis and ${ }^{\circ} \mathrm{C}$ on $\mathrm{Y}$-axis. Then, the cosine of angle between the graph and the $\mathrm{X}$-axis is
146399 The temperature of a body is measured both in ${ }^{0} \mathrm{C}$ and ${ }^{\circ} \mathrm{F}$. A graph is plotted with ${ }^{0} \mathrm{~F}$ on $\mathrm{X}$-axis and ${ }^{\circ} \mathrm{C}$ on $\mathrm{Y}$-axis. Then, the cosine of angle between the graph and the $\mathrm{X}$-axis is