What is the value of (40^2sin^2(40))/(2*9.81) ?

The value of (40^2sin^2(40))/(2*9.81) is 33.69426…

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(40^2sin^2(40))/(2*9.81)

\frac{4 0 ^{2} sin ^{2} ( 4 0 ^{\circ} )}{2 \cdot 9.81}

33.69426 \dots

Solution steps

\frac{4 0 ^{2} sin ^{2} ( 4 0 ^{\circ} )}{2 \cdot 9.81}

Refine to a decimal form

= 33.69426 \dots

5 \cdot sin (\frac{π}{4})

- arctan (\frac{20}{200})

(\frac{sin ( 2 ) ( \frac{π}{2} )}{2}) - (\frac{sin ( 2 ) ( \frac{π}{4} )}{2})

arccos (- 2.31)

\frac{sin ( 3 0 ^{\circ} ) \cdot cos ( 6 0 ^{\circ} ) \cdot csc ( 4 5 ^{\circ} )}{tan ( 3 0 ^{\circ} ) \cdot sec ( 6 0 ^{\circ} ) \cdot cot ( 4 5 ^{\circ} )}

What is the value of (40^2sin^2(40))/(2*9.81) ?
The value of (40^2sin^2(40))/(2*9.81) is 33.69426…