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Inverse Trigonometric Function
Inverse Trigonometric Function
Medium
Question
For the equation 2x = tan (2tan
-1
a) + 2tan(tan
-1
a + tan
-1
a
3
), which of the following is / are invalid ?
Options
A.
a
2
x + 2a = x
B.
a
2
+ 2ax + 1 = 0
C.
a ≠ 0
D.
a ≠ -1, 1
Solution
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Inverse Trigonometric Function
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