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# is tan and tan-1 the same?

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is tan and tan-1 the same?

Guest Jan 26, 2015

#1
+85918
+10

NO !!!!!!!!!

The tangent of an angle returns the value for that angle [where the tangent is defined ]

Tan-1  is the arctangent (also called the tangent inverse)....and  this returns the angle back to us

Here's an example

tan(60°) = √3

But

tan-1 (√3 ) = 60°

See the difference ??

CPhill  Jan 26, 2015
Sort:

#1
+85918
+10

NO !!!!!!!!!

The tangent of an angle returns the value for that angle [where the tangent is defined ]

Tan-1  is the arctangent (also called the tangent inverse)....and  this returns the angle back to us

Here's an example

tan(60°) = √3

But

tan-1 (√3 ) = 60°

See the difference ??

CPhill  Jan 26, 2015
#2
+92253
+5

On the web2 calc tan-1 is atan

arc tan is the same as inverse tan

Melody  Jan 27, 2015

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