Answer:
cos(X+Y) = cos(55+35) = cos(90) = 0
Step-by-step explanation:
cos(X+Y) = cosXcosY - sinXsinY
cos(55+35) = cos(55)cos(35) - sin(55)sin(35)
cos(55+35) = cos(55)cos(35) - cos(90-55)cos(90-35)
cos(55+35) = cos(55)cos(35) - cos(35)cos(55)
cos(55+35) = 0
cos(90) = 0
Approximately 284 centliters in 3 quarts
Answer:
x - 3/7
Step-by-step explanation:
Answer:
1+2+3- -9+236359
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
