arctan(1/sqrt(3))
TAN 60+SIN 60
303156
792121
761270
235174
5636880
4183442
3106782
1584242
8059551
[-22 + (81-98)]-(26+28)=
arctan(sqrt(3))
1559508
find the domain and range of the square root(8+2x-3x^2)