What is expand (sin^2(x))/((cos(x)+1)^2) ?

The solution to expand (sin^2(x))/((cos(x)+1)^2) is (sin^2(x))/(cos^2(x)+2cos(x)+1)

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expand (sin^2(x))/((cos(x)+1)^2)

expand

\frac{sin ^{2} ( x )}{( cos ( x ) + 1 ) ^{2}}

\frac{sin ^{2} ( x )}{cos ^{2} ( x ) + 2 cos ( x ) + 1}

Solution steps

\frac{sin ^{2} ( x )}{( cos ( x ) + 1 ) ^{2}}

(cos (x) + 1)^{2} = cos^{2} (x) + 2 cos (x) + 1

= \frac{sin ^{2} ( x )}{cos ^{2} ( x ) + 2 cos ( x ) + 1}

sin (x (π - \frac{π}{k}))

\frac{2 ( - 3 cos ( \frac{πn}{3} ) + 3 )}{π ^{2} n ^{2}}

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

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

\frac{( x + 0.3 )}{( 2 x + 0.4 ) ( 2 x + 0.3 ) ^{3}}

What is expand (sin^2(x))/((cos(x)+1)^2) ?
The solution to expand (sin^2(x))/((cos(x)+1)^2) is (sin^2(x))/(cos^2(x)+2cos(x)+1)