The value of cos1° cos 2° cos 3° …. Cos 180° is :

  1. 1
  2. √3/2
  3. ½
  4. 0
Anurag Mishra Professor Asked on 29th December 2015 in Maths.
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1 Answer(s)

Answer is 0

Solution:-
Cos 1º cos 2º cos 3º ……………………………. Cos 180º
As we know that Cos 90º = 0 & Zero will be multiply by any number that number will be Zero.

Then, the value of Cos 1º cos 2º cos 3º ……………………………. Cos 180º = 0

Hence, the correct answer is 0 .

Monis Rasool Professor Answered on 29th December 2015.
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