syedamunaxa0311 syedamunaxa0311

25-02-2021
Mathematics

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

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veronicaabebaw veronicaabebaw

25-02-2021

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

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