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If un = sin n secn , vn = cos n secn , n 6= 1,  6= p ; n, p 2 I, then un nvn + vn-vn-1 un-1 = 0 for: A) all values of n B) no value of n C) finite number of values of n D) infinite number of values of n

If un = sin n secn , vn = cos n secn , n 6=
1,  6= p ; n, p 2 I, then un
nvn
+
vn-vn-1
un-1
= 0 for:
A) all values of n
B) no value of n
C) finite number of values of n
D) infinite number of values of n

Grade:12

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Please follow standard notation while writing the question

Regards
Vikas TU
14149 Points
4 years ago
Dear student 
Question is not clear 
Please attach an image, 
We will happy to  help you 
Good Luck
Cheers
 

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