5+5=10 - Children
5+3=8 - Adult
8+8=16
10+16-26
A shape that has four corners and four sides like a square, rectangle, or dimond
Answer: explain the meaning of
Step-by-step explanation:
Answer:
8sin(x)cos³(x)
Step-by-step explanation:
sin(4x) +2 sin(2x) = 2sin(2x)*cos(2x) + 2sin(2x) = 2sin(2x)(cos2x + 1)=
= 2sin(2x)(cos²x - sin²x + cos²x + sin²x)=²2sin(2x)*(2cos²x)=
= 4*2sin(x)*cos(x)*cos²(x)= 8sin(x)cos³(x)