Saturday

December 20, 2014

December 20, 2014

Posted by **Nathalie** on Saturday, July 13, 2013 at 6:45pm.

- geometry -
**Steve**, Saturday, July 13, 2013 at 6:49pmuse your calculator for arctan(3.5) or tan

^{-1 }3.5

or use any of the many online calculators.

It's not a rational number, or even a rational multiple of pi.

**Answer this Question**

**Related Questions**

Trig-Weird Geometry Problem - Determine all triangles ABC for which tan(A-B)+tan...

Trigonometry - Find the exact value of tan(a-b) sin a = 4/5, -3pi/2<a<-pi...

Geometry - Please check for me .Thanks A building cast a shadow 23 feet long ...

Trig - tan 15° using composite argument? - tan 15° tan (45°-30°) (tan 45° - tan ...

Math-Trigonometry - Show that if A, B, and C are the angles of an acute triangle...

Trig. - sec^2xcotx-cotx=tanx (1/cos)^2 times (1/tan)-(1/tan)=tan (1/cos^2) times...

calculus - can anyone tell me if tan-1x= 1 over tan x? No. They are different. ...

Integration - Intergrate ¡ì sec^3(x) dx could anybody please check this answer. ...

trig - h t t p : / / i m g 4 0 . i m a g e s h a c k . u s / c o n t e n t . p h...

calculus - If limit as delta x approaches 0 of tan(0+Δx)-tan(0)/Δx =1 ...