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Please find the answers for sin, cos, tan, cot, sec, and csc.
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Please find the answers for sin, cos, tan, cot, sec, and csc.

Please find the answers for sin, cos, tan, cot, sec, and csc.-example-1
User Elirigobeli
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1 Answer

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23 votes

Take into account that -4π is equivalent to 0 or 2π. Then, you have:


\begin{gathered} \sin 0=0 \\ \cos 0=1 \\ \tan 0=(\sin 0)/(\cos 0)=0 \\ \cot =(\cos 0)/(\sin 0)=\text{undefined} \\ \sec 0=(1)/(\cos 0)=(1)/(1)=1 \\ \csc 0=(1)/(\sin 0)=(1)/(0)=\text{undefined} \end{gathered}

User GHH
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