why do they be giving us this hardwork :(
I think you forgot to add the attachment.
2 4/5 , 2.6 , 2.3 would be your answers in descending order. From greatest to least.
Answer:
The answer to your question is below
Step-by-step explanation:
csc α - cot α = 
Work with the left part

Simplify

Multiply by the reciprocal
Simplify

Remember that
sin²α = 1 -cos²α
Substitute the previous equation

Simplify
The identity i proved.