What is the value of 2(0.313)cos(30) ?

The value of 2(0.313)cos(30) is (313sqrt(3))/(1000)

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2(0.313)cos(30)

2 (0.313) cos (3 0^{\circ})

\frac{313 3}{1000}

Solution steps

2 (0.313) cos (3 0^{\circ})

= 2 \cdot \frac{313}{1000} cos (3 0^{\circ})

Use the following trivial identity:

cos (3 0^{\circ}) = \frac{3}{2}

= 2 \cdot \frac{313}{1000} \cdot \frac{3}{2}

Simplify

2 \cdot \frac{313}{1000} \cdot \frac{3}{2} : \frac{313 3}{1000}

= \frac{313 3}{1000}

\frac{sin ( 3 2 ^{\circ} )}{1 + cos ( 3 2 ^{\circ} )}

arctan (\frac{48}{55})

cos (0.1244)

\frac{cos ( π ) - sec ( \frac{π}{4} )}{cot ( \frac{π}{6} ) + sin ( \frac{3 π}{2} )}

tan (\frac{5 π}{4}) + sec (\frac{5 π}{3})

What is the value of 2(0.313)cos(30) ?
The value of 2(0.313)cos(30) is (313sqrt(3))/(1000)