tan 60° cos 60° + cot 60° sin 60° is
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tan 60° × cos 60° + cot 60° × sin 60°
√3 × √3/4 + 1/√3 × √3/4
3/4 + 1/4
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tan ( 60 ) cos ( 60 ) + cot ( 60 ) sin ( 60 )
= √3 × ½ + 1/√3 √3/2
= √3/2 + ½
= √3+1/2
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