Week 4: Basic Functions II (2 hrs): Circular functions (trigonometry); drawing circular functions ... Why complex numbers? the imaginary unit; the fundamental theorem of algebra; Adding and ...

The policy was set to take effect Sunday, and would have required all people filing benefit applications who cannot verify their identities through an online "my Social Security" account to visit ...

If all possible values are considered, these functions can have infinitely many solutions. There are three skills reviewed on this page: Solving trigonometric equations for the principal value i.e.

Bevel gearing is another way of dealing with intersecting gear shafts. For bevel gears, the teeth centers lie on the surface of an imaginary cone, which is the "pitch cone" of the bevel gear. Two ...