Answer:
.25881
Step-by-step explanation:
sin15
=sin(45-30)
=sin45.cos30-cos45.sin30
=(0.707×0.86)-(0.707×0.5)
=(0.6082)-(0.3535)
=0.25
Plug the x in :)
3(2) + 8
6 + 8
=14
Answer:
56.3°
Step-by-step explanation:
If the total is 107.3° just subtract 51° to get 56.3°

Step-by-step explanation:
We know that
cos 2x = 2cos²x - 1
So we have

Substituting 

Answer:
Henry would need 12 cans to cover the court
Step-by-step explanation:
1: 30 times 54 = 1620
2: 1620 divided by 135 = 12