Muhammad Amzar's answer to lana <3's Secondary 3 A Maths Singapore question.

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Muhammad Amzar
Muhammad Amzar's answer
5 answers (Tutor Details)
1st
This is one cycle. It takes 2π which is 360°. There's 4 cycles in your graph but it's until 180°, not 360°. So there's two times the amount of cycles if it were to go to 360° or 2π