State the literary value of school magazine briefly

The school / college magazine plays a very important role in an educational institution as it channelizes the budding talented writers and helps in encouraging their writing skills by appraisal which inspires and motivates them to read and write much more.

Explanation:

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Step-by-step explanation:

Let the function be a cosine function

H(t)= A cos(B(t+C)) + D

Average height = -20 cm

The object's maximum and minimum heights are each 5 cm from its average height. Therefore:

Maximum Height,

Minimum Height ,  

The amplitude, A is denoted by :

The vertical shift, D is denoted by :

The period T is given by,

T=2 seconds

The phase shift , C is given by:

C=-0.2 (since it first achieves its average height to the right at t=0.2 sec)

Therefore, our function is defined as: