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0\times 20\times 981\cos(30)
Whakareatia te 0 ki te 3, ka 0.
0\times 981\cos(30)
Whakareatia te 0 ki te 20, ka 0.
0\cos(30)
Whakareatia te 0 ki te 981, ka 0.
0\times \frac{\sqrt{3}}{2}
Get the value of \cos(30) from trigonometric values table.
0
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