It says that arctg (6/3.14*29)=3.76 deg. in my book. But when I input the same numbers in a calculator it never shows the same. Am I missing something?
+33661
$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{6}}}{{\mathtt{3.14}}}}{\mathtt{\,\times\,}}{\mathtt{29}}\right)} = {\mathtt{88.966\: \!153\: \!896\: \!812^{\circ}}}$$
$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{6}}}{\left({\mathtt{3.14}}{\mathtt{\,\times\,}}{\mathtt{29}}\right)}}\right)} = {\mathtt{3.769\: \!805\: \!197\: \!875^{\circ}}}$$
.+33661
$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{6}}}{{\mathtt{3.14}}}}{\mathtt{\,\times\,}}{\mathtt{29}}\right)} = {\mathtt{88.966\: \!153\: \!896\: \!812^{\circ}}}$$
$$\underset{\,\,\,\,^{\textcolor[rgb]{0.66,0.66,0.66}{360^\circ}}}{{tan}}^{\!\!\mathtt{-1}}{\left({\frac{{\mathtt{6}}}{\left({\mathtt{3.14}}{\mathtt{\,\times\,}}{\mathtt{29}}\right)}}\right)} = {\mathtt{3.769\: \!805\: \!197\: \!875^{\circ}}}$$
