Close

Search Questions

more...

Reason

Use this Ask Questions Online question badge in blogs, websites and forums. Copy and paste the HTML below:

Previous

Next

Arcsin(x)/arccos(x) does not equal arctan(x).. why?

0

Votes

because the only relation we know is sin(x)/cos(x)=tan(x) but we dont know the behavior of the inverses of these functions. to prove it's wrong just find a counterexample, like x=23 and use your calculator.

by Ervin 10 months ago

A boat moving at 20 knots crosses a stream in which the current is 10 knots. At what angle should...

1 Answer

A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions...

A door 2.04 m high and 0.84 m wide has a mass of 24.3 kg. A hinge 0.30 m from the top and another...