Trigonometric EquationEasy
Question
If y = tan-1
+ tan-1
+ tan-1
+ ..... up to n terms, then
is equal to
Options
A.
B.
C.
D.0
Solution
y = tan-1
+ tan-1
+........+ tan-1 
y = tan-1(x + n) - tan-1x

y = tan-1(x + n) - tan-1x
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