Answer:
d ≥ c
Step-by-step explanation:
Let 4sinx + 3cosx = R sin(x + a) = Rsinxcosa + Rcosxsina
equating coefficients of sinx and cosx:-
RcosA = 4 ......(1)
RsinA = 3.......(2)
So
tan A = 3/4 and A = 36.87 degrees
Find R by squaring and adding (1) and (2)
25 = R^2
R = 5
so we have 5sin(x + 36.87) = 2
sin (x + 36.87) = 0.4
x + 36.87 = arcsin 0.4 = 23.58 degrees
x = - 13.29 degrees
answer is 346.7 degrees
Answer:
Step-by-step explanation:
Area = 2rh
=> 2 * 3.14 * 2 * 9
=> 6.28 * 18
<h2>=>
113.04</h2>
Please mark as brainliest for future answers :)
Step-by-step explanation:
okay I try for you I hope it helps you.
Answer:
B: 20 minutes
Step-by-step explanation:
Because it comes every 30 minutes and he is 10 minutes late we do
30-10=20
Therefore he has to wait 20 minutes for the next train.