(sinx)^2 = 1 when cosx is 0 at pi/2 and 3pi/2
cosx = 1 when sinx is 0 at 0
therefore, A
Answer:
The number u are looking for is 4
Step-by-step explanation:
Let X be the unknown number that we want to find.
So it becomes,
2X = 8
move 2 to the other side, so it becomes a divide
X = 8/2
X = 4
Answer should be 2, 7/2 hopefully this helped ^^
