PLEASE HELP!!!! ASAP ALMOST DUE
1 answer:
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Answer:
sec(- θ ) = secθ
Step-by-step explanation:
The relationship between sec and cos is
sec x =
Now cos(- x) = cosx
Thus
sec(- θ ) = secθ
Given :
Distance covered by object , D = 63 cm .
Time taken to cover distance D , t = 2 days .
To Find :
The speed of object in m/s .
Solution :
First we will convert all units into m and hours .
D = 63 cm = 0.63 m .
.
Now , speed is :
Hence , this is the required solution .