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

The solution to expand sin((2n+1)x)sin((2m+1)x) is sin(2nx+x)sin(2mx+x)

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

expand

sin ((2 n + 1) x) sin ((2 m + 1) x)

sin (2 n x + x) sin (2 m x + x)

Solution steps

sin ((2 n + 1) x) sin ((2 m + 1) x)

Expand

(2 n + 1) x : 2 n x + x

= sin (x (2 m + 1)) sin (2 n x + x)

Expand

(2 m + 1) x : 2 m x + x

= sin (2 n x + x) sin (2 m x + x)

\frac{s}{( s ^{2} + 1 ) ( s - 4 )}

(10 x^{2} + 2 x) e^{10 x}

(csc (x) - 1) tan (x) - sec (x)

\frac{- 2 s ^{3} + 3 s ^{2} t - t ^{3}}{( s - t ) 6}

y (0, - \frac{17}{7})

What is expand sin((2n+1)x)sin((2m+1)x) ?
The solution to expand sin((2n+1)x)sin((2m+1)x) is sin(2nx+x)sin(2mx+x)