What is expand (2sin(x)+1)(sin(x)+1) ?

The solution to expand (2sin(x)+1)(sin(x)+1) is 2sin^2(x)+3sin(x)+1

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expand (2sin(x)+1)(sin(x)+1)

expand

(2 sin (x) + 1) (sin (x) + 1)

2 sin^{2} (x) + 3 sin (x) + 1

Solution steps

(2 sin (x) + 1) (sin (x) + 1)

Apply FOIL method

(2 sin (x) + 1) (sin (x) + 1) : 2 sin^{2} (x) + 3 sin (x) + 1

= 2 sin^{2} (x) + 3 sin (x) + 1

cos^{2} (t) - sin^{2} (t) u (t - π)

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

\frac{d ^{2}}{d x ^{2}} ((y) (\frac{1}{x} - \frac{2}{y ^{3}}))

(2 - \frac{1}{3} x)^{2}

\frac{1 - x ^{2}}{( x ^{2} + 1 ) ^{2}}

What is expand (2sin(x)+1)(sin(x)+1) ?
The solution to expand (2sin(x)+1)(sin(x)+1) is 2sin^2(x)+3sin(x)+1