What is expand (2csc(x)-1)*(csc(x)+1) ?

The solution to expand (2csc(x)-1)*(csc(x)+1) is 2csc^2(x)+csc(x)-1

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expand (2csc(x)-1)*(csc(x)+1)

expand

(2 csc (x) - 1) \cdot (csc (x) + 1)

2 csc^{2} (x) + csc (x) - 1

Solution steps

(2 csc (x) - 1) (csc (x) + 1)

Apply FOIL method

(2 csc (x) - 1) (csc (x) + 1) : 2 csc^{2} (x) + csc (x) - 1

= 2 csc^{2} (x) + csc (x) - 1

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

((sin (x) - cos (x))) 2

(\frac{5}{3 x} + \frac{5}{x} = 1) 3

(- x - 1) e^{- x} + 1

(x^{3} + y^{3}) d x - (x y^{2}) d x

What is expand (2csc(x)-1)*(csc(x)+1) ?
The solution to expand (2csc(x)-1)*(csc(x)+1) is 2csc^2(x)+csc(x)-1