Question #aa2dc
2 Answers
See proof below
Explanation:
We use
So,
Dividing by
Let
and
So,
Yes, It does equal to tanx
Explanation:
let's assume that
When we substitute it in the equation,
We get,
And we know that,
So, we can conclude that,
As we know that,
So by substituting values we get,
Hence Proved.