Write the angle made by the tangent to the curve x = et cos t, y = et sin t at
with the x-axis.
Given that the curve x = etcos t, y = et sin t
Now, for 
Let θ be the angle made by the tangent with the x-axis.
∴ tan θ= ∞
1
Write the angle made by the tangent to the curve x = et cos t, y = et sin t atwith the x-axis.
Given that the curve x = etcos t, y = et sin t
Now, for
Let θ be the angle made by the tangent with the x-axis.
∴ tan θ= ∞