What is expand (1+tan(x))*(1+cotan(x)) ?

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

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expand (1+tan(x))*(1+cotan(x))

expand

(1 + tan (x)) \cdot (1 + co tan (x))

1 + co tan (x) + tan (x) + co tan^{2} (x)

Solution steps

(1 + tan (x)) (1 + co tan (x))

Apply FOIL method

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

= 1 + co tan (x) + tan (x) + co tan^{2} (x)

(x - 3) (x + 12 + \frac{29}{x - 3})

\frac{5 ( 2 - x ^{2} ) ^{2}}{2}

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

(x - 9) x + 6

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