Find (f^-1)(a). F(x)=cosx- sin x + pi/2 a=pi/2, 0
1 answer:
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Answer:
There is 7.5% increase in the number of songs on his mp3 player.
Step-by-step explanation:
Original Songs in mp3= 440 songs
Final Songs in mp3= 473 songs
We need to find percent of increase in the number of songs on his mp3 player.
The formula used is:
Now putting values and finding percent of increase
So, there is 7.5% increase in the number of songs on his mp3 player.