(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Prove:

csc2@= 1/(1-(sin@-cos@)^2

2. Relevant equations

3. The attempt at a solution

I'm stuck cant seem to work this on out. I'm not seeing the relationship between the two

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# Prove identity

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