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1 vote
1 vote
Tan 81 degree = cot _?__

User Geschema
by
2.4k points

1 Answer

11 votes
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

User Porges
by
2.6k points