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Pure Mathematics
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Topic Topic: Derivative of sine is cosine Post ReplyNew Question
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System
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Joined: 26 June 2005
Posts: 918
Posted: 08 July 2005 at 11:06pm | IP Logged Quote System

QUIZ QUESTION #210
Find the derivative 
dy
d
  for the following:
 
          y = sin() +
    A.  
dy
d
  =  cos() + 2
 
    B.  
dy
d
  =  - cos() + 2
 
    C.  
dy
d
  =  tan() + 2
 
    D.  
dy
d
  =  - tan() + 2
 
    E.  
dy
d
  =  - sin() + 2
 
 QUIZ QUESTION #210 created by Zach on 07 July 2005 at 6:14pm

Correct answer: A    Correct clicks: 47.62%  Wrong clicks: 52.38%
 
    A.   [130 clicks 47.62%] 
 
    B.   [56 clicks 20.51%] 
 
    C.   [41 clicks 15.02%] 
 
    D.   [17 clicks 6.23%] 
 
    E.   [29 clicks 10.62%] 
 
Please discuss this quiz question.
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Carol
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Joined: 18 October 2005
Location: Malaysia
Posts: 3
Posted: 18 October 2005 at 4:14pm | IP Logged Quote Carol

please help me with this question

 



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Samchenghung
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Joined: 18 October 2005
Location: Malaysia
Posts: 176
Posted: 21 October 2005 at 4:08am | IP Logged Quote Samchenghung

Carol, if you're taking spm, you don't need to worry. Getting derivatives for trigonometric functions isn't in our syllabus. In case you ask, the derivative of sinx is cosx. You just need to memorise it =D

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