I have trouble doing this problem.
Let tan β= 6
Please and thank you.
Draw a right-angled triangle,
label the two acute angles and
since the two acute angles must sum to
as all three angles sum to
From the definitions of
you can see the logic in the above posts.
A much less appetizing way is as follows...
hence we must take limits by dividing all terms by
In truth we are multiplying by