Please explain each step clearly. My test is tmr and you'll be a lifesaver =D
1.http://i77.photobucket.com/albums/j5.../question1.png
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Please explain each step clearly. My test is tmr and you'll be a lifesaver =D
1.http://i77.photobucket.com/albums/j5.../question1.png
for 1. if N=4 the d=4-2sin(3x+5).
Assuming x is between 0 and 2pi, then sin(3x+5) can take maximum and minimum values of 1 and -1.
Hence, d is between 2 and 6
2. a) Substitute t =Quote:
Originally Posted by delicate_tears
and then solve.
b) I assume this is a measurement of force... Let the equation equal 4 and solve for t, taking the last t value in the 5 second observation as your answer.