Answer:
Step-by-step explanation:
MATHHHHHHHH do u need help in math or what?
Try this option:
1. rule: cosα=sin(90°-α), it means that cos 3x=sin(90°-3x);
2. sin(90°-3x)=sin(x+18°); ⇔ 90°-3x=18°+x; ⇔ x=18°.
Answer: x=18°.
Answer:
decimal is: 0.56
percent is: 0.15
Step-by-step explanation:
Answer:
2over/a -b-c
Step-by-step explanation:
remove the parentheses
