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  #19641  
Old 02-09-2012, 04:40 AM
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Originally Posted by Ludas
Kom ner och softa med oss då!

Hälsningar från Amsterdam.
Ja det kanske vore nåt Men ni dricker ju bara apelsinjuice, det är inte så extremt rock n roll.
 
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  #19642  
Old 02-09-2012, 10:26 AM
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Om någon här inne har lite kaffepengar tills övers som behöver investeras kan ni ju kolla på det här objektet.


Skeppsholmen Fastighetsmäkleri Sotheby's International Realty - Unikt hus på egen halvö med strandtomt
Ett litet TS-poolparty, ja varför inte
 
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  #19643  
Old 02-09-2012, 12:26 PM
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Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!Chubster You are a Teamspeed member that Rocks and Rolls!
Tufft hus!
Men vad i helvete är det här? En bastu utan dörr? Only in Sweden
 
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  #19644  
Old 02-09-2012, 02:03 PM
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Originally Posted by Chubster
Tufft hus!
Men vad i helvete är det här? En bastu utan dörr? Only in Sweden
 
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  #19645  
Old 02-09-2012, 02:13 PM
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Sjukt konstigt hus. Ser ut som en hangar med en kupol ovanpå.
 
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  #19646  
Old 02-09-2012, 02:20 PM
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  #19647  
Old 02-10-2012, 04:14 AM
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Nu är det dags igen

Hur bevisar jag att VL = HL i följande två uppgifter?

cos^2v (tan^2v +1) = 1
ersätter tan^2v med (sin^2v/cos^2v), men hur går jag vidare efter den omskrivningen?

sin x (1/sin x - sin x)=cos^2x
 
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  #19648  
Old 02-10-2012, 04:40 AM
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Originally Posted by Blackout
Nu är det dags igen

Hur bevisar jag att VL = HL i följande två uppgifter?

cos^2v (tan^2v +1) = 1
ersätter tan^2v med (sin^2v/cos^2v), men hur går jag vidare efter den omskrivningen?

sin x (1/sin x - sin x)=cos^2x
Enligt trigonometriska ettan är sin²v + cos²v = 1.

VL= cos²v(tan²v +1)= cos²v(sin²v/cos²v +1) = (cos²v * sin²v)/cos²v + cos²v = sin²v + cos²v = 1 = HL

Samma samband i andra uppgiften så den fixar du själv nu
 
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  #19649  
Old 02-10-2012, 04:46 AM
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Originally Posted by knutherta
Enligt trigonometriska ettan är sin²v + cos²v = 1.

VL= cos²v(tan²v +1)= cos²v(sin²v/cos²v +1) = (cos²v * sin²v)/cos²v + cos²v = sin²v + cos²v = 1 = HL

Samma samband i andra uppgiften så den fixar du själv nu
Varför och hur blir (sin²v/cos²v)+1 -> cos²v+cos²v i nämnaren i nästa steg?
 
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  #19650  
Old 02-10-2012, 04:59 AM
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...= cos²v(sin²v/cos²v +1) = ((cos²v * sin²v)/cos²v) + cos²v =...

Kanske skulle förtydligat med en parantes till.
Multiplicerar alltså in cos²v i parantesen där du sen i första delen kan stryka bort cos²v/cos²v så det blir sin²v kvar.

Lättare att se om man ställer upp det ordentligt på papper.
 
Last edited by knutherta; 02-10-2012 at 05:05 AM.
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