Tan 81 degree = cot _?__

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Geschema asked Jul 4, 2023

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Tan 81 degree = cot _?__

Mathematics
college

Geschema asked Jul 4, 2023

by Geschema

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11 votes

Given:

Tan 81 degree

Required:

tan 81 degree = cot _?__

Step-by-step explanation:

$\begin{gathered} tan\text{ 81}\degree=cot9 \\ \\ tan(90-x)=cotx \\ \\ or\text{ we can also solve like this tan81}\degree \\ \\ cot(90\degree-81\degree)=cot9\degree \end{gathered}$

Required answer:

$tan81\degree=cot9\degree$

Porges answered Jul 9, 2023

by Porges

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