+0  
 
+5
238
2
avatar

tan 2 angle=.6122

Guest Mar 13, 2017
 #1
avatar+7153 
+2

Let's call the angle "a".

tan(2a) = 0.6122

 

Take the arctangent of both sides.

2a = arctan(0.6122)

2a ≈ 31.475º

 

Divide both sides by 2.

a ≈ 15.737º

                                               

Unless you meant:

tan2 a = 0.6122

 

Take the square root of both sides.

tan a = √(0.6122)

 

Take the arctangent of both sides.

a = arctan[√(0.6122)]

a ≈ 38.041º

hectictar  Mar 13, 2017
edited by Guest  Mar 13, 2017
 #2
avatar+7348 
0

tan 2 angle=.6122

 

\(tan^2\alpha=0.6122\)

 

\(tan\ \alpha= \sqrt{0.6122}=0.7824321\)

 

\( \alpha=38°\ 2'\ 7''\)

 

laugh  !

asinus  Mar 13, 2017

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