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Inverse Trigonometric Function
Inverse Trigonometric Function
Hard
Question
cot
–1
+ cot
–1
+ cot
–1
=
Options
A.
0
B.
1
C.
cot
-1
x + cot
-1
y + cot
-1
z
D.
None of these
Solution
-
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Inverse Trigonometric Function
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+ cot –1 
+ cot –1 
=+ cot –1 + cot –1 =+ cot –1 + cot –1 =