Apply in this order Ι-15Ι - 33÷11= 15-3=12
Good luck!!!
 
        
             
        
        
        
Answer:
n = π/6, π/4, 3π/4, 5π/6
Step-by-step explanation:
sin(3n) − sin n = cos(2n)
Use double and triple angle formulas:
(3 sin n − 4 sin³ n) − sin n = 1 − 2 sin² n
2 sin n − 4 sin³ n = 1 − 2 sin² n
4 sin³ n − 2 sin² n − 2 sin n + 1 = 0
Factor by grouping:
2 sin² n (2 sin n − 1) − (2 sin n − 1) = 0
(2 sin² n − 1) (2 sin n − 1) = 0
Solve:
2 sin² n − 1 = 0
2 sin² n = 1
sin² n = 1/2
sin n = √2/2
n = π/4, 3π/4
2 sin n − 1 = 0
2 sin n = 1
sin n = 1/2
n = π/6, 5π/6
 
        
             
        
        
        
Answer:
? = 24
Step-by-step explanation:
Pizzas = 3
Because of this, burgers must be 2
2³ = 8
Tacos = 8
8 + 8 + 8 = 24
 
        
                    
             
        
        
        
X=2
Explanation:
You need to find the midpoint of the segment 
-2+6=4
4/2=2
        
             
        
        
        
Step-by-step explanation:
2x²-4x=0
2x²=4x
2x=4
x=2
option C