Answer:
Step-by-step explanation:
(cos 4a*cos 2a+sin 4a*sin 2a)/sin 4a
=[cos (4a-2a)]/sin 4a
=(cos 2a)/sin 4a
=(cos 2a) /(2 sin 2a cos 2a)
=1/(2 sin 2a)
=1/2 csc 2a
Answer:
2/16
Step-by-step explanation:
The answer is 2/16
brainliest?
Answer:
hour
Step-by-step explanation:
Given: The total time Collin spent on 6 songs =
Now, the fraction of an hour does he spend practicing each song is given by :-

The fraction of an hour does he spend practicing each song=
Step-by-step explanation:
i.1+y<25
y<25-1
y<24
ii.101+6y>200
6y>200−101
6y>99
y>99/6
y>33/2