Can you help me with this please?

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Question

Can you help me with this please?

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anonymous · Answer

I only need help with Part b

anonymous · Answer

How does the graph of a sin function differ to that of a cos function?

anonymous · Answer

@mertsj, can you help me please?

anonymous · Answer

What are the patterns of each?

anonymous · Answer

what do you mean patterns?

anonymous · Answer

A sin graph follows the pattern
 average -- > max --> average -- > min correct?

mertsj · Answer

$$y=-4\sin\frac{1}{4}(x-360)$$

anonymous · Answer

There you go! something like that:)

anonymous · Answer

So all you wanted was the answer?

anonymous · Answer

i already have the asnwer. Im tripple checking, This is what I have 
y=4sin(π/2−1/4x)

mertsj · Answer

$$y=-3\sin \frac{8}{3}x$$

mertsj · Answer

Why are you using pi when the graph is in degrees?

anonymous · Answer

Oh youre right! I was using the dumb online calculators