$\sin(2x + x) = \sin(2x) \cos(x) + \\ \cos(2x) \sin(x) = 2 \sin(x) { \cos(x) }^{2} \\ + \sin(x) { \cos(x) }^{2} - { \sin(x) }^{3} = \\ 3 \sin(x) { \cos(x) }^{2} - { \sin(x) }^{3} = \\ 3 \sin(x) - 3 { \sin(x) }^{3} - { \sin(x) }^{3} = \\ 3 \sin(x) - 4 { \sin(x) }^{3}$

3 0

3 years ago

Five less than one fourth of x is y written out

zalisa [80]

1/4x - 5= y
---------------

7 0

2 years ago

Bob will rent a car for the weekend. He can choose one of two plans. The first plan has an Initial fee of $60 and costs an addit

shepuryov [24]

Answer:

Step-by-step explanation:

+55+%2B+.5x+=+.7x+

+.2x+=+55+

+x+=+275+

3 0

2 years ago