What is expand 3cos(t)(7-tan(t)) ?

The solution to expand 3cos(t)(7-tan(t)) is 21cos(t)-3sin(t)

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expand 3cos(t)(7-tan(t))

expand

3 cos (t) (7 - tan (t))

21 cos (t) - 3 sin (t)

Solution steps

3 cos (t) (7 - tan (t))

Apply the distributive law:

a (b - c) = ab - a c

3 cos (t) (7 - tan (t)) = 3 cos (t) \cdot 7 - 3 cos (t) tan (t)

= 3 cos (t) \cdot 7 - 3 cos (t) tan (t)

Simplify

3 cos (t) \cdot 7 - 3 cos (t) tan (t) : 21 cos (t) - 3 sin (t)

= 21 cos (t) - 3 sin (t)

(x^{3}) (x^{3})

(x y + e^{z}) (x^{2} + y^{2})

(2 tan (x) + 1) (tan (x) - 2)

2 (x sin (x) + cos (x)) + C

(x^{3}) (x^{4})

What is expand 3cos(t)(7-tan(t)) ?
The solution to expand 3cos(t)(7-tan(t)) is 21cos(t)-3sin(t)