pls solve this
cot(4/5)-A = cos 2A/(1-sin 2A)
Hello, vungaralas!
Your equation makes no sense.
Inspired by Grandad's excellent manipulation,
. . I took a guess at the expression on the left side.
If that statement is supposed to be an identity,
. . I would guess that it should look like this:
. .
We have: .
So the left side is: .
Multiply by
Multiply by
. .