Answer:
Step-by-step explanation:
Cos(65°) = √(1 + cos(130°)) / 2
0.42=√(1 - 0.64)/2
0.42=√(0.36)/2
0.42²=√0.18²
Answer:
D
Step-by-step explanation:
176 pi units squared
Answer:
Because it is acorrding to question answer
Answer:
4 meters per second
Step-by-step explanation:
200 ÷ 50 = 4
Answer:
18
Step-by-step explanation:
multiply 7 and 3
reduce 15/5 to 3
subtract 21-3
18