How do you write #csc(2x) / tanx# in terms of sinx?
1 Answer
May 14, 2016
Explanation:
Useful Trig ID's
Definitions of functions
Sums of Angles Formula
Which gives the double well known double angle formula
We start with our ID, sub in the basic definition and use some fraction rules to get the following.
We replace
The cosine's cancel
leaving us with