maths

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the function
y = 5 + 3 sin (pie t /3 + pie /2)

choose one option which gives the value of the funtion when t = 3.
choose the option which gives the period of the function.
from the options below.

0, 1/6, pie/6, 2, 3, pie, 5, 6

wod the value of t=3 be 5 ?
and i don't knw wat the period of the funtion will be.

can sum1 help me plz

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