Factor csc^2 0-1

Question

Factor csc^2 0-1

a. (𝑐𝑠𝑐 𝜃 + 1)( 𝑐𝑠𝑐 𝜃 + 1)

b. (𝑐𝑠𝑐 𝜃 − 1)(𝑐𝑠𝑐 𝜃 − 1)^2

c. (𝑐𝑠𝑐 𝜃 − 1)(𝑐𝑠𝑐 𝜃 + 1)^2

d. (𝑐𝑠𝑐 𝜃 − 1)( 𝑐𝑠𝑐 𝜃 + 1)

Answer 1

This is difference of squares, similar to x²-4 = (x+2)(x-2)

d. (𝑐𝑠𝑐 𝜃 − 1)( 𝑐𝑠𝑐 𝜃 + 1)