Asked by gynn

Given sin(x)=3/5 and 0<x<pi/2, find the value of sin(x+4pi)
Answered by R_scott
4 π is two complete circles

so sin(x+4pi) equals sin(x)
Answered by gynn
it mostly asking for the value
however the awnser choices are :
a)4/5
b)3/5
c)-4/5
d)-3/5
e)2/5
Answered by Reiny
geesh, didn't R_scott tell you that sin(x+4pi) = sin(x)

And what was the story about sin(x) ?
Answered by henry2,
sin(4pi) = sin(0) .
sin(x+4pi) = sin(x+0) = 3/5 + 0 = 3/5.

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