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vivek

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· 1 Months ago

vivek (Question: 187130.0 )

not sin 2theta must be sin^2 thetha

Question:
If tan + sin = m and tan – sin = n, then the value of m2 – n2 is –
Options:
A) \(4\sqrt[]{mn}\)
B) \(\sqrt[]{mn}\)
C) \(2\sqrt[]{mn}\)
D) \(\cfrac{1}{mn}\)
Solution:
Ans: (a) 


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