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If a <= arcsinx + arccosx + arctanx <= b, the find the value of a & b.

If a <= arcsinx + arccosx + arctanx <= b, the find the value of a & b.

Grade:

1 Answers

Arun
25763 Points
2 years ago
Dear student
 
As we know
 
ar cainx + arc cos x = pi/2
 
Hence
 
a - pi/2
 
But range of arc tanx = (-pi/2, pi/2)
 
Hence
 
a- pi/2 > - pi/2
a> 0
 
Similarly
 
b- pi/2
 
b

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