What is expand (1+cos(θ))*cos(θ) ?

The solution to expand (1+cos(θ))*cos(θ) is cos(θ)+cos^2(θ)

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expand (1+cos(θ))*cos(θ)

expand

(1 + cos (θ)) \cdot cos (θ)

cos (θ) + cos^{2} (θ)

Solution steps

(1 + cos (θ)) cos (θ)

= cos (θ) (1 + cos (θ))

Apply the distributive law:

a (b + c) = ab + a c

cos (θ) (1 + cos (θ)) = cos (θ) \cdot 1 + cos (θ) cos (θ)

= cos (θ) \cdot 1 + cos (θ) cos (θ)

Simplify

cos (θ) \cdot 1 + cos (θ) cos (θ) : cos (θ) + cos^{2} (θ)

= cos (θ) + cos^{2} (θ)

(\frac{1}{4} + \frac{2 x}{7}) (\frac{1}{4} - \frac{2 x}{7})

I n (e^{2 x} + 1)^{2}

2 x e^{x} + e^{x} (x^{2} - 3)

cos (2 x) (2 cos (x) + 1)

\frac{3 ( - 3 + 33 )}{2} + 15

What is expand (1+cos(θ))*cos(θ) ?
The solution to expand (1+cos(θ))*cos(θ) is cos(θ)+cos^2(θ)