<=> cosx = +1/2 or cosx = -1/2;
cosx = +1/2 => x = +π/3 + 2kπ, where k is an integer or x = -π/3 + 2kπ, where k is an integer;
cosx = -1/2 => x = +2π/3 + 2kπ, where k is an integer or x = -2π/3 + 2kπ, where k is an integer;
Answer:
C
Step-by-step explanation:
Work the equations out to find your answer to each, then you see the answer
Answer:
I suppose 17x^ means 17x².
and that we must solve the equation.
Step-by-step explanation:
Complementary and adjacent
Answer:
D
Step-by-step explanation:
if you have 37 and however many you eat you subtract from that 37 giving you R