Question

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Answer 1

ʰᵉʳᵉ'ˢ ʸᵒᵘʳ ᵃⁿˢʷᵉʳ ⁱⁿ ᵗʰᵉ ᵍⁱᵛᵉⁿ ᵃᵗᵗᵃᶜʰᵐᵉⁿᵗ

Answer 2

Answer:

As Tan alpha = u ( coefficient of friction)

Therefore Tan alpha = 1/3

So answer is (1) option

i.e. Cot alpha = 3