What is the value of arctan((5.22)/(9.8)+0.5) ?

The value of arctan((5.22)/(9.8)+0.5) is 0.80146…

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arctan((5.22)/(9.8)+0.5)

arctan (\frac{5.22}{9.8} + 0.5)

0.80146 \dots

Solution steps

arctan (\frac{5.22}{9.8} + 0.5)

Refine to a decimal form

= 0.80146 \dots

tan (2 0^{\circ}) + cot (7 0^{\circ})

2 sin (\frac{π}{3}) cos (\frac{π}{4})

cos (π) - 1

(1 2^{2} + 7^{2} - 2 \cdot 12 \cdot 7 \cdot cos (4 0^{\circ}))

cos (2 arccos (\frac{3}{4}) - arccos (\frac{1}{8}))

What is the value of arctan((5.22)/(9.8)+0.5) ?
The value of arctan((5.22)/(9.8)+0.5) is 0.80146…