I will paste the image of my question

Nicki asked Dec 3, 2023

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45 votes

Nicki asked Dec 3, 2023

by Nicki

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23 votes

We will have that the exact value for each function is:

21)

$\cot (180)=\text{not defined}$

22)

$\cos (-60)=(1)/(2)$

23)

$\sin ((4\pi)/(3))=-\frac{\sqrt[]{3}}{2}$

24)

$\sec (-(7\pi)/(4))=\sqrt[]{2}$

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