What is the value of 86(cos(23))(2(3.36)+2.27) ?

The value of 86(cos(23))(2(3.36)+2.27) is 711.67912…

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86(cos(23))(2(3.36)+2.27)

86 (cos (2 3^{\circ})) (2 (3.36) + 2.27)

711.67912 \dots

Solution steps

86 (cos (2 3^{\circ})) (2 (3.36) + 2.27)

Refine to a decimal form

= 711.67912 \dots

cot (78 0^{\circ})

arctan (\frac{5 π}{2})

\frac{sin ( 1 7 ^{\circ} ) cos ( 1 3 ^{\circ} ) + sin ( 1 3 ^{\circ} ) cos ( 1 7 ^{\circ} )}{cos ( 2 6 ^{\circ} ) cos ( 1 9 ^{\circ} ) - sin ( 2 6 ^{\circ} ) sin ( 1 9 ^{\circ} )}

sin (4 2^{\circ}) cos (1 2^{\circ}) - cos (4 2^{\circ}) sin (1 2^{\circ})

9.81 \cdot cos (3 0^{\circ})

What is the value of 86(cos(23))(2(3.36)+2.27) ?
The value of 86(cos(23))(2(3.36)+2.27) is 711.67912…