Evaluate
70.47694655894313-25\sqrt{3}\approx 27.17567637
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75 \cdot 0.9396926207859084 - 50 \cos(30)
Evaluate trigonometric functions in the problem
70.47694655894313-50\cos(30)
Multiply 75 and 0.9396926207859084 to get 70.47694655894313.
70.47694655894313-50\times \frac{\sqrt{3}}{2}
Get the value of \cos(30) from trigonometric values table.
70.47694655894313-25\sqrt{3}
Cancel out 2, the greatest common factor in 50 and 2.
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