Answer:
Step-by-step explanation:
-2.67
7/10
2.67
2.07,2
Answer:
x= -3 , -7
Step-by-step explanation:
Answer:
if union, U means plus,+
if intersect means minus, -
Answer:
Below
Step-by-step explanation:
sin(2x) = 2 ×cos(x)× sin(x)
● sin(x) = 2 × cos(x) × sin(x)
● 2 × cos(x) = 1
● cos (x) = 1/2
So we can deduce that:
● x = Pi/3 + 2*k*Pi
● or x = -Pi/3 + 2*k*Pi
K is an integer