Hello :
<span> sin 2x = sin x and 0 ≤ x ≤ 2π.
all solutions :
2x= x +2k</span>π or x= π -x +2kπ ..... k in : Z
x = 2kπ or : x = π/2 + kπ
but :
<span>0 ≤ x ≤ 2π
</span><span>all values of x such that sin 2x = sin x and 0 ≤ x ≤ 2π are :
</span>k = 0 : x=0 , x= π/2
k=1 : x=2 π , x=3π/2
Answer: 1/3
Step-by-step explanation:
if you make a fraction 5/15 pizzas and simplify it is is equal to 1/3.
Let the second no. be x
-3x = 21 → x = 21/-3 → x = -7
It’s A
Because I just did it
The answer is dividing stuff
