rebeccaskell94
Lol I might jsut be stupid but idk how to do this xD
Find the value of the cot 10° using your calculator.
IDK HOW D; It's my last question I don't have a cot button on my calc either if I'm supposed to and and
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Calcmathlete
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do tan 10 then put 1 ÷ Ans
waterineyes
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Firstly find tan10..
myko
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cot=1/tg
Calcmathlete
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Or you could do 1 ÷ (tan 10)
rebeccaskell94
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oh. I am stupid. My bad. Thanks guys :D
waterineyes
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Welcome dear..
agentx5
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\[\cot \theta = \frac{1}{\tan \theta} = \frac{\cos \theta}{\sin \theta}\]
Calcmathlete
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np :)
agentx5
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^_^
waterineyes
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going hard @agentx5
rebeccaskell94
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:O AGENT D: -___-
waterineyes
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I can make it more hard:
\[\cot \theta = \frac{1}{\tan \theta} = \frac{\sin(2 \theta)}{2\sin^2 \theta}\]
rebeccaskell94
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oh wait xD Is that tan^-1 or tan (10)
rebeccaskell94
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lol "more hard"
waterineyes
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tan10..
Calcmathlete
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YES @waterineyes
Calcmathlete
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Double angles rule!
rebeccaskell94
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0.176?
waterineyes
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@rebeccaskell94 i think now you are getting more confused..
agentx5
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no no no not the same thing dear Rebecca! :-D
\[\tan^{-1} (\frac{opp}{adj}) = \arctan (\frac{opp}{adj}) = \theta\]
rebeccaskell94
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lol Agent your genius talents are commendable
waterineyes
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Now use:
1/0.176
agentx5
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Inverse tangent is cotangent, anti-tangent is arctangent. The latter returns and angle value in degrees or radians :-)
Calcmathlete
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@rebeccaskell94 You forgot to do the rciprocal. Now. 1/0.176326981...
rebeccaskell94
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5.671? o.o
Calcmathlete
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THat's what I get :)
rebeccaskell94
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oh dang.
waterineyes
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May be..
Ha ha ha..
Calcmathlete
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3:)
waterineyes
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Can anyone find this without calculator??
Calcmathlete
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o_O No idea...
Calcmathlete
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Is Wolfram considered a calculator? XD
waterineyes
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Can anybody think about finding the above value without using calculator??
Question changed to this one now..
agentx5
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I can... I think...
|dw:1343070912188:dw|
waterineyes
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That is why I always say you Unique @ Kazem..
agentx5
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Is that right @waterineyes ?
waterineyes
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How do you find dimensions I never know that..
agentx5
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Ah wait...
|dw:1343071090394:dw|
agentx5
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Whoops...
And find dimensions with... anti-functions, arctan in this case.
waterineyes
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According to you 1/6 is the value.. @agentx5
agentx5
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or \(\tan^{-1}(6) \approx 80^o\)
waterineyes
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But then answer changes...
agentx5
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Erm, you switched the question here :-)
"Question changed to this one now.."
waterineyes
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I said you all to think how we can find tan10 without calculator..
And you know what??
mukushla
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\( \tan 3x=\frac{\sqrt{3}}{3} \) is better i think
waterineyes
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You all are not thinking..
Instead you are finding..
Ha ha ha ha..
waterineyes
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How?? I did not get that one..
mukushla
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tan 30 =sqrt(3)/3
waterineyes
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Oh..
How can we proceed further??
mukushla
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after simplifying we have a degree 3 polynomial in terms of tan x
but leave it ... not in the mood of simplifying that right now..haha
o.O lol
waterineyes
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I am getting faint..
Leave it from my side too..
mukushla
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i love this sign
o.O
o.O
o.O
O.o o.O o.O
hahaha....
waterineyes
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It is looking nice Kazem..
rebeccaskell94
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O.o o.O so many notifs xD
waterineyes
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After all it is Great @rebeccaskell94 post..
Ha ha ha..
rebeccaskell94
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lol I see this xD
waterineyes
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Discussion over here...
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