How do you prove #sinx/cscx + cosx/secx = sinx cscx#?
Take note first that
multiplying both sides by csc x
Take note also that
Let us go back to the problem
You can always multiply any quantity by 1 and will not change anything
Also from Pythagorean Relation,
God bless America ...
Another way is
Starting from left, factor out
From reciprocal relations:
Simplify by using