Discover Questions

How can quarks have "flavors"? Use the period of the earth (4.72 y), its
mean orbital radius and
the universal gravitational constant to calculate the mass of
sun.? $10,000.00? Solve each of the following equations for θ, if 0^°<θ< 〖360〗^°. Do not use a calculator or table:
(a) 2sinθ+√2=0
(b) tanθ=cotθ? Find tan x/2 for x in the first quadrant?