JEE Math Practice Question
The portion of the line $4 x+5 y=20$ in the first quadrant is trisected by the lines $\mathrm{L}_1$ and $\mathrm{L}_2$ passing through the origin. The tangent of an angle between the lines $\mathrm{L}_1$ and $\mathrm{L}_2$ is :
- A.$\frac{30}{41}$
- B.$\frac{8}{5}$
- C.$\frac{2}{5}$
- D.$\frac{25}{41}$
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