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Grade 11Trigonometry

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

Profile image of Masthan
10 Years agoGrade 11
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4 Answers

Profile image of Mounik
ApprovedApproved Tutor Answer10 Years ago
Dear Masthan, 
Your request for answer for the above question is simply = 1/16 . You will get this answer by calculating it.
Profile image of Mounik
10 Years ago
 
Dear Masthan, 
Your request for answer for the above question is simply = 1/16 . You will get this answer by calculating it.
Profile image of SAI SARDAR
10 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.
      
Profile image of Harsh Patodia
10 Years ago
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