What is expand (3+sin(4θ))^2 ?

The solution to expand (3+sin(4θ))^2 is 9+6sin(4θ)+sin^2(4θ)

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expand (3+sin(4θ))^2

expand

(3 + sin (4 θ))^{2}

9 + 6 sin (4 θ) + sin^{2} (4 θ)

Solution steps

(3 + sin (4 θ))^{2}

Apply Perfect Square Formula:

(a + b)^{2} = a^{2} + 2 ab + b^{2}

(3 + sin (4 θ))^{2} = 3^{2} + 2 \cdot 3 sin (4 θ) + sin^{2} (4 θ)

= 3^{2} + 2 \cdot 3 sin (4 θ) + sin^{2} (4 θ)

Simplify

3^{2} + 2 \cdot 3 sin (4 θ) + sin^{2} (4 θ) : 9 + 6 sin (4 θ) + sin^{2} (4 θ)

= 9 + 6 sin (4 θ) + sin^{2} (4 θ)

d y (7 x^{9} - 3 x^{5} + 34)

i \cdot w \cdot (i \cdot w + 2) \cdot (i \cdot w + 3) \cdot (i \cdot w + 7) + k \cdot i \cdot w + k \cdot 5

\frac{ln ( a ^{4} b ^{- 1} )}{ln ( ( b c ) - 4 )}

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

\frac{0.00550368}{s ( 0.00224 + s ^{2} + 0.00182 s )}

What is expand (3+sin(4θ))^2 ?
The solution to expand (3+sin(4θ))^2 is 9+6sin(4θ)+sin^2(4θ)