Question

(____)^2 = (cscx - 1)(cscx + 1)

Answer 1

fill in the blank.

Answer 2

use the identity
\[\csc ^2x-\cot ^2x=1\]

Answer 3

I dont know how to.

Answer 4

istnt it (cot)^2

Answer 5

\[\csc ^2x-1=\cot ^2x\]

Answer 6

isn't what cot^2?

Answer 7

\[\left( a+b \right)\left( a-b \right)=a^2-b^2\]

Answer 8

a=csc x,b=1

Answer 9

oh so the answer is cot^2?