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(Sec 60+tan 60)(1-sin 60) |
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Answer» than 60 = √3sec 60 = 2sin 60 = √3/2( sec 60 + tan 60)(1 - sin60)= (2+ √3)( 1 - √3/2)= (2 + √3) [(2 -√3)/2]= ](2)2 - (√3)2]/ 2= 4 - 3 /2= 1/2 1/2 1/2 |
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