|
3 articles trouvés pour ce sujet.
 |
|
|
|
|
|
|
|
|
The interior angles of a right triangle |
2006-05-20 |
|
Greg pose la question :
I am wondering if there is a way to figure out the interior angles of a right triangle if we know ONLY the side lengths, and the trick is, we CANNOT use arctangent!
Leeanne Boehm and Penny Nom lui répond. |
|
|
|
|
|
|
arccos(5/13) |
2005-05-31 |
|
Kyle pose la question :
I would like to know how to evaluate the problem of: Arccos 5/13.
Penny Nom lui répond. |
|
|
|
|
|
|
A problem with arccos. |
1997-06-09 |
|
Vanessa Chan pose la question :
Prove: arc cos4/5 + arc cos (-5/13) = arc cos (-56/65)
Harley Weston lui répond. |
|
|
|
