What is expand 1/((1-tan^2(x))^2) ?

The solution to expand 1/((1-tan^2(x))^2) is 1/(1-2tan^2(x)+tan^4(x))

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expand 1/((1-tan^2(x))^2)

expand

\frac{1}{( 1 - tan ^{2} ( x ) ) ^{2}}

\frac{1}{1 - 2 tan ^{2} ( x ) + tan ^{4} ( x )}

Solution steps

\frac{1}{( 1 - tan ^{2} ( x ) ) ^{2}}

(1 - tan^{2} (x))^{2} = 1 - 2 tan^{2} (x) + tan^{4} (x)

= \frac{1}{1 - 2 tan ^{2} ( x ) + tan ^{4} ( x )}

e^{2 (x + y i) + i}

\frac{( x + 1 ) ^{10}}{( 4 x - 8 ) ^{11}}

\frac{( s + 1 )}{( s + 2 ) ^{3} ( s + 3 )}

e^{i (θ + x)}

(1 + 3 x^{2} - 2 x^{4})^{6}

What is expand 1/((1-tan^2(x))^2) ?
The solution to expand 1/((1-tan^2(x))^2) is 1/(1-2tan^2(x)+tan^4(x))