What is expand (2(1-cos(α)))/(sec(α)-1) ?

The solution to expand (2(1-cos(α)))/(sec(α)-1) is (2-2cos(α))/(sec(α)-1)

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expand (2(1-cos(α)))/(sec(α)-1)

expand

\frac{2 ( 1 - cos ( α ) )}{sec ( α ) - 1}

\frac{2 - 2 cos ( α )}{sec ( α ) - 1}

Solution steps

\frac{2 ( 1 - cos ( α ) )}{sec ( α ) - 1}

Expand

2 (1 - cos (α)) : 2 - 2 cos (α)

= \frac{2 - 2 cos ( α )}{sec ( α ) - 1}

(2 a - 5) (72 a - 5)

\frac{3 ( - y + 2 )}{2}

\frac{( x + 2 ) ( x + 6 )}{2}

(x + 2 - x^{2}) (x - 2 - x^{2})

What is expand (2(1-cos(α)))/(sec(α)-1) ?
The solution to expand (2(1-cos(α)))/(sec(α)-1) is (2-2cos(α))/(sec(α)-1)