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girdhari

· started a discussion

· 1 Months ago

abv que (Question: 223898.0 )

2 last step mistakenly wrote
k(cota-1) = cot(cota-1) due to side change sign also change ...
so ans 1 ssc fci grade (3) 07.04.2013

Question:
If \(\cfrac{tan A}{1 -cot A} + \cfrac{cot A}{1 -tan A}\)    =  K + tan A +  cot A, then K =?
Options:
A) -1
B) 0
C) 1
D) 2
Solution:
Ans: (c)


Knowledge Expert

· commented

· 1 Months ago

Dear Student,
1 is the correct answer, we have sorted out the errors occured in the solution.
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