a) sec-1x
b) 2 sec-1x
c) 2 sec-1\((\sqrt{1+x^2})\)
d) sec-1\((\sqrt{1+x^2})\)
What is the value of 2 tan-1x in terms of sin-1?
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What is the value of 2 tan-1x in terms of sin-1?
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