How do you evaluate $arctan (2)$ $arctan(2)$ ?

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How do you evaluate $arctan (2)$ $arctan(2)$ ?

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Answer 1 · 2017-02-06T16:01:17

$x = 63^{\circ} 43 + k 180^{\circ}$ $x = 63^@43 + k180^@$

Explanation:

Use calculator and unit circle
tan x = 2 --> calculator --> arc $x = 63^{\circ} 43$ $x = 63^@43$
Unit circle gives another arc x that has the same tan value:
$x = 63^{\circ} 43 + 180^{\circ} = 243^{\circ} 43$ $x = 63^@43 + 180^@ = 243^@43$
Answers for (0, 360):
$63^{\circ} 43, 243^{\circ} 43$ $63^@43, 243^@43$
General answers:
$x = 63^{\circ} 43 + k 180^{\circ}$ $x = 63^@43 + k180^@$

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How do you evaluate $arctan (2)$ $arctan(2)$ ?

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How do you evaluate arctan(2)arctan(2)?

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How do you evaluate $arctan (2)$ $arctan(2)$ ?