4/sin2 60° + 3/cos2 60°
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If those 2 mean squares
so 4/ (3/2) + 3 (1/2)
= 8/3+6= (8+18)/3=26/3
if those 2 means double of angle :
4/sin120 +3/cos120
4/ sin 60 + 3/ (-cos60)
8/root3-6= 8Root3 /3.) -6
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