Simplify the expression nCos 2arctan x r n n narctan is just the inverse of tan Example tan 1 r

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There r few things whch we knw whch r nt capable of mathmatical reasoning nd when these can nt it is a sign dt our knowledge of them is very smal nd confusd nd where a mathmaticl reasing can be had . It is as dark a foly to make use a candle stick as to g

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Latest exam Aptitude Question SOLUTION: Simplify the expression. Cos(2arctan(x)) arctan is just the inverse of tan Example tan^-1 i keep getting (1-x^2)/(1+x) althoutgh it keeps saying that its wrong

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(#M40073467) EXAM Numerical Ability question Keep an EYE

Simplify the expression.
Cos(2arctan(x))

arctan is just the inverse of tan Example tan^-1

i keep getting (1-x^2)/(1+x) althoutgh it keeps saying that its wrong

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