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what the value of the trigonometric equation cos20.cos40.cos60.cos80

what the value of the trigonometric equation cos20.cos40.cos60.cos80

Grade:11

4 Answers

Mounik
48 Points
6 years ago
Dear Masthan, 
Your request for answer for the above question is simply = 1/16 . You will get this answer by calculating it.
Mounik
48 Points
6 years ago
 
Dear Masthan, 
Your request for answer for the above question is simply = 1/16 . You will get this answer by calculating it.
SAI SARDAR
1700 Points
6 years ago
Dear Masthan,
            The value of cos(20)*cos(40)*cos(60)*cos(80) is 0.0625.It comes from the simplify the equation by the changing of cosines into sines.
      
Harsh Patodia IIT Roorkee
askIITians Faculty 907 Points
6 years ago
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