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Eamcet Mathematics
Trigonometry Inverse Trigonometric Functions
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Q.
If x
2
+ y
2
+ z
2
= r
2
, then tan
-1
(xy/zr) + tan
-1
(yz/xr) + tan
-1
(zx/yr) =
A.
π
B.
0
C.
π/2
D.
π/4
E.
None of the above
View Answer
Correct choice: B
Explanation:
None
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