Find the value of |{:(cos((2pi)/(63)),,c...

Find the value of `|{:(cos((2pi)/(63)),,cos((3pi)/(70)),,cos((4pi)/(77))),(cos((pi)/(72)),,cos((2pi)/(80)),,cos((3pi)/(88))),(1,,cos((pi)/(90)),,cos((2pi)/(99))):}|`

A

0

B

1

C

`2cos.(pi)/(9)`

D

`cos.(pi)/(11)`

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The correct Answer is:

A

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