What is factor 6cos(pix+4pit)+6cos(pix-4pit) ?

The solution to factor 6cos(pix+4pit)+6cos(pix-4pit) is 6(cos(pi(x+4t))+cos(pi(x-4t)))

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factor 6cos(pix+4pit)+6cos(pix-4pit)

factor

6 cos (π x + 4 π t) + 6 cos (π x - 4 π t)

6 (cos (π (x + 4 t)) + cos (π (x - 4 t)))

Solution steps

6 cos (π x + 4 π t) + 6 cos (π x - 4 π t)

Factor out common term

6

= 6 (cos (π x + 4 π t) + cos (π x - 4 π t))

Factor

π x + 4 π t : π (x + 4 t)

= 6 (cos (π x - 4 π t) + cos (π (x + 4 t)))

Factor

π x - 4 π t : π (x - 4 t)

= 6 (cos (π (x + 4 t)) + cos (π (x - 4 t)))

8 a c - 3 b d + b c - 24 a d

H + He

e^{f (8.9)} - sin (f (g (8.9)))

1 + cos^{3} (x)

5 x^{2} + (7 x - 9)

What is factor 6cos(pix+4pit)+6cos(pix-4pit) ?
The solution to factor 6cos(pix+4pit)+6cos(pix-4pit) is 6(cos(pi(x+4t))+cos(pi(x-4t)))