pt (√3+1) (3-cot 30°) = tan³ 60- 2sin 60
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3.464 = 3.464
Step-by-step explanation:
left side : (√3+1) (3-cot 30°) = (1.732+1)*(3-1.732) = 3.464
right side : tan³ 60- 2sin 60 = (3*1.732) - (2*1.732/2) = 3.464
Note : √3 = 1.732 ; cot 30 = 1/(1/√3 )= √3 , tan³ 60 = 3√3 , sin 60 = √3/2 = 1.732/2
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