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Trigonometry help please

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  • 10-03-2019 2:10pm
    #1
    Registered Users Posts: 134 ✭✭


    https://i.imgtc.com/JfzQRyz.jpg

    Question 12.

    I'm so stuck and I have no idea how to do it. I'm going ahead of the class and I've reached an obstacle


Comments

  • Moderators, Arts Moderators Posts: 10,518 Mod ✭✭✭✭5uspect


    The period of the function, a sine wave in this case, is the rate it repeats. So you can see than a single period is pi/4.


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