Question

find the value of (cot30 +cot 60)^2please it's urgent ​

Answer 1

Answer:

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Step-by-step explanation:

cot 30°=√3 and cot 60°=1/√3

Then,(cot30°+cot60°)^2=(√3+1/√3)^2

=(4/√3)^2=16/3