[-22 + (81-98)]-(26+28)=
arctan(sqrt(3))
303156
792121
761270
235174
5636880
4183442
3106782
1584242
1559508
find the domain and range of the square root(8+2x-3x^2)
73.5988 x 10 to the power 15
1+tanx/1-tanx
1-tanx/1+tanx dx
