x sin 60°cos2 30° =tan2 45° sec 60°/cosec 60°
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Step-by-step explanation:
sin60=√3/2. cos30=1/2. tan45=1 sec60=√3/2. / 1/cosec60=sin60=√3/2.
x sin60 cos2 30°=tan2 45°. sec60° sin60
x√3/2×2×√3/2. =2×1×2×√3/2
x×3=2√3
x=2/√3
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