3÷3×7÷9-2÷3×9÷9
Step-by-step explanation:
3×7=21
3×9=27
21÷27=7÷9
2×9=18
18÷27=2÷3
7÷9-2÷3=5÷6
Answer:
b. 9.2
cos(52) × 15 gives you the adjacent which is 9.2