Question

If a graph is drawn between the Fahrenheit reading of the temperature of a body along y-axis and twice its Celsius reading on x-axis, then the angle made by the graph with x-axis is

• A. $\tan^{-1}(0.9)$
• B. $\tan^{-1}(2)$
• C. $\tan^{-1}(1.8)$
• D. $\tan^{-1}(0.5)$

Hint:

For any straight line: \[ \tan\theta=\text{slope} \] Find the slope first and then determine the angle.

Answer 1

The Correct Option is A