What is the value of arctan(1/11)+arctan(11) ?

The value of arctan(1/11)+arctan(11) is 1.57079…

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arctan(1/11)+arctan(11)

arctan (\frac{1}{11}) + arctan (11)

1.57079 \dots

Decimal Notation

90

Solution steps

arctan (\frac{1}{11}) + arctan (11)

Refine to a decimal form

= 1.57079 \dots

arctan (\frac{4}{3})

arcsin (1.41) sin (30. 1^{\circ})

arcsin (\frac{2}{10})

x \to \infty lim (arctan (\frac{x}{2}))

\frac{1}{cos ( 0.5 )}

What is the value of arctan(1/11)+arctan(11) ?
The value of arctan(1/11)+arctan(11) is 1.57079…