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how to find the period of a function? 2+3cos(x-2). please tell me the general way to solve all such type of questions..!!

how to find the period of a function?
  1. 2+3cos(x-2).
please tell me the general way to solve all such type of questions..!!

Grade:12

1 Answers

Abhishek Kumar
askIITians Faculty 253 Points
6 years ago
Period is 2pi.
Period will only change when ‘x’ is multiplied with a number.
i.e. cos(2x) has period of 2pi/2
Cos/Sin(nx) has period of 2pi/n
Additions and substractions simply moves the curve left-right or above and below on x-y axis.

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