What is expand (cos(x)-cos(5x))sec(2x) ?

The solution to expand (cos(x)-cos(5x))sec(2x) is cos(x)sec(2x)-cos(5x)sec(2x)

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expand (cos(x)-cos(5x))sec(2x)

expand

(cos (x) - cos (5 x)) sec (2 x)

cos (x) sec (2 x) - cos (5 x) sec (2 x)

Solution steps

(cos (x) - cos (5 x)) sec (2 x)

= sec (2 x) (cos (x) - cos (5 x))

Apply the distributive law:

a (b - c) = ab - a c

sec (2 x) (cos (x) - cos (5 x)) = sec (2 x) cos (x) - sec (2 x) cos (5 x)

= sec (2 x) cos (x) - sec (2 x) cos (5 x)

= cos (x) sec (2 x) - cos (5 x) sec (2 x)

6 x^{2} + 3 x \cdot (9 x^{2} - 8 x + 8)

\frac{x ( x - 6 )}{( x - 3 ) ^{2}}

\frac{2 N + ( a N t + b t + c ) ^{2}}{N}

- \frac{5}{( x - 3 ) ^{2}}

3 x^{2} - (- 8 x^{2})

What is expand (cos(x)-cos(5x))sec(2x) ?
The solution to expand (cos(x)-cos(5x))sec(2x) is cos(x)sec(2x)-cos(5x)sec(2x)