What is expand cos(θ)(-2,-5) ?

The solution to expand cos(θ)(-2,-5) is -2cos(θ),-5cos(θ)

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expand cos(θ)(-2,-5)

expand

cos (θ) (- 2, - 5)

- 2 cos (θ), - 5 cos (θ)

Solution steps

cos (θ) (- 2, - 5)

= (- 2, - 5) cos (θ)

Apply the distributive law:

a (b - c) = ab - a c

a = cos (θ), b = - 2,, c = 5

= cos (θ) (- 2,) - cos (θ) \cdot 5

Apply minus-plus rules

+ (- a) = - a

= - 2 cos (θ), - 5 cos (θ)

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What is expand cos(θ)(-2,-5) ?
The solution to expand cos(θ)(-2,-5) is -2cos(θ),-5cos(θ)