Math, asked by soniprashant892, 9 days ago

find the domain and range of [cos2x]

Answers

Answered by suman07031984

Answer:

2 cosx is twice the cosine of angle x and lies in the range of [-2 , 2] whereas, cos 2x is the cosine of the angle 2x, two times the angle x and it lies between [-1 , 1].

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find the domain and range of [cos2x]​

Answers

find the domain and range of [cos2x]