What is expand (tan(x)+1)(tan(x)-1) ?

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

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expand (tan(x)+1)(tan(x)-1)

expand

(tan (x) + 1) (tan (x) - 1)

tan^{2} (x) - 1

Solution steps

(tan (x) + 1) (tan (x) - 1)

Apply Difference of Two Squares

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

= tan^{2} (x) - 1

(9 cos (x) - cos (9 x) \cdot 9)^{2}

\frac{( 4 a ^{x} + b ^{x} ) ^{2}}{4}

\frac{x ^{3} - 36 x}{( x + 1 ) ^{2}}

(n + 2)!

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

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