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amoakoh800003
03.12.2020 •
Mathematics
PLZ HELP THIS IS FRUSTRATING FOR BRAINLIST
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Ответ:
Ответ:
Only the second equation is an identity
Step-by-step explanation:
Note that
You can confirm it:
Therefore
![8\sec(\theta)=8\csc(\theta)](/tpl/images/0704/6829/c21b0.png)
It is not an IdentityLet's the second one
In this case, we already performed the calculations, so it is true. It is an Identity.