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(cos x)/(tan x)(sin x)

 May 25, 2015

Best Answer 

 #1
avatar+14538 
+8

cos360(x)(tan360(x)×sin360(x))      =   cot²(x)

 May 25, 2015
 #1
avatar+14538 
+8
Best Answer

cos360(x)(tan360(x)×sin360(x))      =   cot²(x)

radix May 25, 2015
 #2
avatar+118696 
+5

I have interpreted the question differently from Radix,  that is why we have different answers 

AND that is why brackets are so VERY important!

 

cosx÷tanx×sinx=cosx÷sinxcosx×sinx=cosx×cosxsinx×sinx=cos2x

 May 25, 2015

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