What is the general form of the points which lie on X-axis?

Write the general form of sintheta

Write the general form of costheta

Write the general form for tantheta

The general form of a plant is referred to as ……………………

The length of the diameter of the circle which touches the x-axis at the point (1,0) and passes through the point (2,3)

Write the general form of a quadratic polynomial and cubic polynomial in variable x.

A tangent is drawn to the parabola y^2=4 x at the point P whose abscissa lies in the interval (1, 4). The maximum possible area of the triangle formed by the tangent at P , the ordinates of the point P , and the x-axis is equal to

What are X co-ordinates of each point on Y-axis?