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PRERNA TIWARI

· started a discussion

· 1 Months ago

question (Question:480786.0)

how can addition be less than substraction of numbers

Question:
If tan \((\alpha - \beta)\) =1, sec (a+b) = \(\cfrac{2}{\sqrt{3}}\) and  \(\alpha, \beta\) are positive angles, then the minimum value of \(\alpha\) is – 
Options:
A) \(142 \cfrac{1}{2}^o\)
B) \(187 \cfrac{1}{2}^o\)
C) \(7 \cfrac{1}{2}^o\)
D) \(37 \cfrac{1}{2}^o\)
Solution:
Ans:(d)


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