Answer:
C
Step-by-step explanation:
The difference formula for cosine is
cos(x - y) = cosxcosy + sinxsiny
Consider
cos75 = cos(120 - 45)°, then
cos(120 - 45)°
= cos120°cos45° + sin120°sin45° → C
Answer:
−3X−30
Step-by-step explanation:
AnswerdV/dt = 4·pi·(40)2·(-2)
Step-by-step explanation:
First one is : D (6)
Second one is : B (1/3)
Hope this helps!
Please give Brainliest!
Answer:
Correct!
Step-by-step explanation:
You did it the correct mathematical way, where you divide 4 by 30. Some people get confused and multiply 30 and 4, so good job!