2 added 12 characters in body
source | link

f(x) = 8 cos^4 x + 6sin(2x + 3pi/4)sin(2x - pi/4)$f(x) = 8 \cos^4 x + 6 \sin (2x + 3 \pi/4) \sin(2x - \pi/4)$.

How can I simplify into a linear combination of simple sine functions?

f(x) = 8 cos^4 x + 6sin(2x + 3pi/4)sin(2x - pi/4)

How can I simplify into a linear combination of simple sine functions?

$f(x) = 8 \cos^4 x + 6 \sin (2x + 3 \pi/4) \sin(2x - \pi/4)$.

How can I simplify into a linear combination of simple sine functions?

1
source | link

Convert this function using trig identities into sine functions

f(x) = 8 cos^4 x + 6sin(2x + 3pi/4)sin(2x - pi/4)

How can I simplify into a linear combination of simple sine functions?