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Grade 12th passAlgebra

The value of x for which sin (cot−1 (1 + x)) = cos (tan−1 x) is
(A) 1/2 (B) 1
(C) 0 (D) −1/2

Profile image of Subhadip Pal
11 Years agoGrade 12th pass
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4 Answers

Profile image of Nicho priyatham
11 Years ago
question seems to be unclear  
what do u  mean by cot-1(1+x) …....?
 
Profile image of Nicho priyatham
11 Years ago
please send post the question again or rewright it in ans box
Profile image of grenade
11 Years ago
Nicho priyatham
it is hust inverse
Profile image of grenade
11 Years ago
(D) −1/2
it is the answer
plz aprve