Answer:
B. 2cos3θsinθ.
Step-by-step explanation:
Use the identity
sin x - sin y = 2 [cos(x + y)/2]sin [x - y)/2].
So we have:
sin4θ - sin2θ = 2 cos (4θ+2θ)/2 sin (4θ-2θ)/2
= 2cos3θsinθ.
H=53....factor expression
Answer:
6 x n = 6n
Step-by-step explanation:
Answer:
56 because a triangle is always 90 degrees so 90 minus 22 plus 12 equals 56
Step-by-step explanation:
