trigonometry question (hard)

[glass plinth]

I got an answer but it's wrong

[tacit plume]

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[glass plinth]

It's this

Not the other one

[tepid canopy]

okay so what would be the period of patient H

actually, just try and find as much information about the high point, low point, and period

[open grove]

What is the question here?

[tepid canopy]

its in the second message of the thread and the question is the second image bottom

[open grove]

Oh OK

So how did you approach the question?

[open grove]

@glass plinth

[winged flax]

Henry Rollins