What is expand (1-cos(x))(1+sec(x))cos(x) ?

The solution to expand (1-cos(x))(1+sec(x))cos(x) is sin^2(x)

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expand (1-cos(x))(1+sec(x))cos(x)

expand

(1 - cos (x)) (1 + sec (x)) cos (x)

sin^{2} (x)

Solution steps

(1 - cos (x)) (1 + sec (x)) cos (x)

= cos (x) (1 - cos (x)) (1 + sec (x))

Apply FOIL method

(1 - cos (x)) (1 + sec (x)) : sin (x) tan (x)

= cos (x) sin (x) tan (x)

Express with sin, cos

= sin^{2} (x)

3 e^{2 (1 + iπ)}

3 - 7 x^{4} + δ (x - 2)

(4 - 2 x)^{2}

(1 + 2)^{12}

(5 x^{2} + 4 y i)^{2}

What is expand (1-cos(x))(1+sec(x))cos(x) ?
The solution to expand (1-cos(x))(1+sec(x))cos(x) is sin^2(x)