


→ Substitute cos 2x and sin 2x by their expressions

→ Subtract both sides by sin x

→ Take sin x as a common factor in the right side

From the graph, the equation has 4 solutions, the intersection points between the 2 graphs
Answer:
I need more detail............,.....
Answer:22
Step-by-step explanation:
Could be 154. 154 rounded to nearest ten= 150, rounded to nearest 100= 200