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tan(30) =1/root(3)
tan(60)= root(3)
tan(75) = 1/cot(75)
So, tan(75)*cot(75)=1
tan(45)=1
So, cot(theta) = (1+3)/3 + (1-1/3)/(1+3) - 1/2
cot(theta)= 4/3 + 1/6 -1/2
cot(theta)= 1
theta = 45
Step-by-step explanation:
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