Math Help?

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i need help with this equation? what is the number of cycles the sinusoid completes in 369 or B. y=2+cos2x. I am not sure but my guess is 2

2006-10-03 12:35:40 · 2 answers · asked by Yahoo! User 4 in Education & Reference ➔ Homework Help

2 answers

360 degrees is 2(pi). Try a TI83 or later graphing calculator. Remember the construction of a trigonometric system.

a.COS.bx

Review which one dictates the amplitude and the frequency.
Frequency means how many times it will complete a cycle.

2006-10-03 12:53:31 · answer #1 · answered by gabyrig 3 · 0⤊ 0⤋

get the cos alone and then look at the formula

2006-10-03 19:43:10 · answer #2 · answered by i have no id 1 · 0⤊ 1⤋