What is factor cos(2(arctan(x))) ?

The solution to factor cos(2(arctan(x))) is cos(2arctan(x))

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factor cos(2(arctan(x)))

factor

cos (2 (arctan (x)))

cos (2 arctan (x))

Solution steps

cos (2 (arctan (x)))

Remove parentheses:

(a) = a

= cos (2 arctan (x))

3 a - b^{2} - 2 b^{2} x + 6 a x

x^{8} - 100

cos (x) + (tan (x) + cot (x))

(x - 1)^{4} + 5 (x - 1)^{2} + 9

4 m^{2} - 16 m^{2}

What is factor cos(2(arctan(x))) ?
The solution to factor cos(2(arctan(x))) is cos(2arctan(x))