Numerical Ability Mcq Question

  1. log tan 1° + log tan 2° + _____ + log tan 89° is 1
  1. 1
  2. 1/√2
  3. 0
  4. – 1
Correct Option : C

log tan 1° + log tan 89° = log(tan 1° × tan 89°)
= log(tan 1° × cot 1°)
= log 1 = 0
Using the same logic total sum is ‘0’.

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