People who believe in biorhythms claim there are three cycles that rule our beha

Question

People who believe in biorhythms claim there are three cycles that rule our behavior?the ?physical, emotional, and mental. Each is a sine function of a certain period. The function for our emotional fluctuations is

where t is measured in days starting at birth. Emotional? fluctuations, E, are measured from ?1 to? 1, with 1 representing peak emotional? well-being,?1representing the low for emotional? well-being, and 0 representing feeling neither emotionally high nor low.

A. Find E corresponding to t=20,25,30,35, and 40. Describe what you observe.

B. What is the period of the emotional cycle?

Explanation / Answer

(A) E when t= 20 will be sin *20/10 = sin 2 = 0 which means neither high nor low for emotional being.

E when t= 25 will be sin *25/10 = sin 5/2 = 1 which means high for emotional being.

E when t= 30 will be sin *30/10 = sin 3 = 0 which means neither high nor low for emotional being.

E when t= 35 will be sin *35/10 = sin 7/2 = 1 which means high for emotional being.

E when t= 40 will be sin *40/10 = sin 4 = 0 which means neither high nor low for emotional being.

I observe that human being is alternating between being neither high or low and high for emotional being as value is alternating between 0 and 1.

(B) Period of emotional cycle is as it comes back to the same state after cycle of .

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