Hello I need help in determining Sin x as Cos x = sqrt 3/2.

What should I know to be able to do this. and how?

I would like a fully detailed explanation if possible.

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- September 6th 2008, 04:35 AMMeowetdetermining Sin x as Cos x = sqrt 3/2
Hello I need help in determining Sin x as Cos x = sqrt 3/2.

What should I know to be able to do this. and how?

I would like a fully detailed explanation if possible. - September 6th 2008, 06:54 AMSoroban
Hello, Meowet!

Quote:

We have: .

is a in a right triangle with: .

The triangle looks like this:Code:`*`

* *

2 * *

* *

* *

* x *

* * * * * * *

√3

Pythagorus says: .

So we have: .

. . Hence: .

Therefore: .