Question

The slope of the ladder making an angle 30 degree with the floor is dash​

Answer 1

Since, Ladder makes an angle 60

∘

with the floor as shown in figure.

∴ ladder makes 120

∘

angle with the positive direction of x-axis.

⇒ slope of ladder =tan120

∘

=tan(90

∘

+30

∘

)=−cot30

∘

=−

3