Question #eed15

1 Answer
Feb 9, 2018

The statement is true.

Explanation:

We know this trig identity:

#cos^2x+sin^2x=1#

If we divide everything by #sin^2x#, we get a new identity:

#cos^2x/sin^2x+sin^2x/sin^2x=1/sin^2x#

#cot^2x+1=csc^2x#

We can now use this new identity to simplify our expression to show that it is true:

#(cos^2x)/(sin^2x)+1=csc^(2)x#

#cot^2+1=csc^2x#

#csc^2x=csc^2x#