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Question: The root of the trigonometric function

Question:The root of the trigonometric function

samira moradi 15 Maple
rootfinding roots trigonometric
June 15 2018
0

How can I calculate the roots of the following  trigonometric function?

 

F[lambda[i]] := (sin(lambda[i])-tan(y*lambda[i])*cos(lambda[i]))*((1-1/B)*lambda[i]^2-k)+(lambda[i]^3/B+lambda[i])*(cos(lambda[i])-tan(`yλ`[i])*sin(lambda[i]))

 

Where : i=1..n , B=1..30, y = 0.9 and k=0.003

 

 
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