What is the value of arctan(-sqrt(445)) ?

The value of arctan(-sqrt(445)) is -arctan(sqrt(445))

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arctan(-sqrt(445))

arctan (- 445)

- arctan (445)

Solution steps

arctan (- 445)

Use the following property:

arctan (- x) = - arctan (x)

arctan (- 445) = - arctan (445)

= - arctan (445)

- \frac{11}{12} (0.1)^{2} cos (1)

cos (2 \cdot \frac{π}{4}) \cdot \frac{π}{4}

cos (\frac{7 π}{9}) + tan (\frac{7}{15} π) sin (1 5^{\circ})

\frac{4.88 \cdot 1 0 ^{- 7}}{sin ( 1 ^{\circ} )}

arcsin (0.8238)

What is the value of arctan(-sqrt(445)) ?
The value of arctan(-sqrt(445)) is -arctan(sqrt(445))