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Which equation is shown graphed below? A -21 -TT 0 TT 2TT -15 O y = y = sin( a + 元一2 O = 2 ) y = sin(0-5) e- = cos(e +) y = cos(0-5) e- T O y = cos ( 0 2 O = e 2

Which equation is shown graphed below? A -21 -TT 0 TT 2TT -15 O y = y = sin( a + 元一2 O-example-1
User Xn Dx
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1 Answer

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Given the graph of a trigonometric function

The shown graph is for the function:


y=\cos x

But as we know,


\sin (x+(\pi)/(2))=\cos x

So, the function can be written as :


y=\sin (x+(\pi)/(2))

So, the answer will be the first option

User Jrummell
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