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

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

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

expand

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

- cos (x)

Solution steps

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

Apply FOIL method

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

= - cos (x)

(5 - 4 i)^{4}

(\frac{1}{4} + \frac{1}{2 ^{k + 1}}) (1 - \frac{1}{2 ^{k + 1}})

(x + 25) (x - 25)

\frac{f ( x + h ) - f ( x )}{h}

(5 z + 3 i)^{2}

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