What is the value of arccos((16)/(sqrt(261))) ?

The value of arccos((16)/(sqrt(261))) is 0.13885…

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arccos((16)/(sqrt(261)))

arccos (\frac{16}{261})

0.13885 \dots

Decimal Notation

7.96

Solution steps

arccos (\frac{16}{261})

Refine to a decimal form

= 0.13885 \dots

(sin (\frac{π}{4}) cos (\frac{π}{6}) - sin (\frac{π}{6}) cos (\frac{π}{4}))^{2}

arctan (\frac{17}{2})

sec (\frac{- 7 π}{3})

128 + 127.5 sin (\frac{2 π}{16} \cdot 9)

128 + 127.5 sin (\frac{2 π}{16} \cdot 8)

What is the value of arccos((16)/(sqrt(261))) ?
The value of arccos((16)/(sqrt(261))) is 0.13885…