Step-by-step explanation:
sec x − cos x
Secant is the inverse of cosine:
(1 / cos x) − cos x
Find the common denominator:
(1 / cos x) − (cos² x / cos x)
Subtract:
(1 − cos² x) / cos x
Answer:time spent on your phone is independent and how much studying you get done is dependent since it depends on how much time your spend on your phone as to how much studying you will get done
I think this might be the answer you're looking for m^3n/p^2
Answer:
The answer is 50
Step-by-step explanation:
40-10=30
30+20=50
