here Theta is greater than zero but less than 90
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as theta lies between 0 and 90. it should be equal to 60 as explained above in the image
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Hi ,
We know that ,
Cot 60° = 1/√3
Cos60° = 1/2
Therefore ,
(Cot 60° - cos 60°)/(cot60° + cos60°)
= ( 1/√3 - 1/2)/(1/√3 + 1/2)
= ( 2-√3)/(2+√3)
Therefore ,
Option ( 2 ) is correct
We know that ,
Cot 60° = 1/√3
Cos60° = 1/2
Therefore ,
(Cot 60° - cos 60°)/(cot60° + cos60°)
= ( 1/√3 - 1/2)/(1/√3 + 1/2)
= ( 2-√3)/(2+√3)
Therefore ,
Option ( 2 ) is correct
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