What is factor cot^2(x)-1 ?

The solution to factor cot^2(x)-1 is (cot(x)+1)(cot(x)-1)

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factor cot^2(x)-1

factor

cot^{2} (x) - 1

(cot (x) + 1) (cot (x) - 1)

Solution steps

cot^{2} (x) - 1

Rewrite

1

1^{2}

= cot^{2} (x) - 1^{2}

Apply Difference of Two Squares Formula:

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

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

= (cot (x) + 1) (cot (x) - 1)

\frac{1}{x ^{2} - 4}

2^{4 - 1}

\frac{2 b + 2 a}{2}

(u + 3)^{2}

- \frac{24}{3}

What is factor cot^2(x)-1 ?
The solution to factor cot^2(x)-1 is (cot(x)+1)(cot(x)-1)