3 years ago

The value of cosine is undefined at pi and 2pi radians. TRUE FALSE

Mathematics

1 answer:

Naddika [18.5K]3 years ago

4 0

Answer: False

Step-by-step explanation:

False, the value of cosine at pi and 2pi is equal to -1 and 1 respectively. You can test this by using the pi circle or a calculator. Let pi = 180 degrees. Cosine is always defined and alternates between 1 and -1.

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