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20 January, 09:06

Find the exact value of

cot (11pi/6)

cos (11pi/6)

csc (11pi/6)

+1
Answers (1)
  1. 20 January, 09:26
    0
    A) cot (11π/6) = cot (2π - π/6) = cot ( - π/6) = - √3

    B) cos (11π/6) = cos (-π/3) = √3/2

    C) csc (11π/6) = 1 / sin (11π/6) = 1 / sin (-π/6) = 1 / (-1/2) = - 2
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