Answer:
Step-by-step explanation:
Find all solutions to the equation.
7 sin^2(x) - 14 sin x + 2 = -5
7sin^2(x)-14 sin x+7 =0
sin^2(x)-2sin x+1 =0
(sinx-1)(sinx-1)=0
sinx=1
x=π/2+2pi*k, k=integer
Answer:
6x=18
Step-by-step explanation:
X should represent how the books multiplied.
Answer: 54
Step-by-step explanation:
By the inscribed angle theorem, angle ZXY measures half of 108 degrees, which is 54 degrees.