![If \\( \\cos 5 \\theta = a \\cos \\theta + b \\cos ^ { 3 } \\theta + c \\cos ^ { 5 } \\theta + d \\) , then\n\\( \\begin{array} { l l l l } { \\text { a. } a = 20 } & { \\text { b. } b = - 20 } & { \\text { c. } c = 16 } \\end{array} \\)\" If \\( \\cos 5 \\theta = a \\cos \\theta + b \\cos ^ { 3 } \\theta + c \\cos ^ { 5 } \\theta + d \\) , then\n\\( \\begin{array} { l l l l } { \\text { a. } a = 20 } & { \\text { b. } b = - 20 } & { \\text { c. } c = 16 } \\end{array} \\)\"](https://d2rrqu68q7r435.cloudfront.net/images/9602233/a3ecffe9-ced9-49c1-9226-c7f0fa8a1e7d.jpg)
If \\( \\cos 5 \\theta = a \\cos \\theta + b \\cos ^ { 3 } \\theta + c \\cos ^ { 5 } \\theta + d \\) , then\n\\( \\begin{array} { l l l l } { \\text { a. } a = 20 } & { \\text { b. } b = - 20 } & { \\text { c. } c = 16 } \\end{array} \\)\"
![If cos 5 theta= a_0 cos^5 theta+a_1cos^4theta+a_2cos^3theta+a_3cos^2theta+a_4cos theta+a_5 then value of (a_1+a_3+a_5)= If cos 5 theta= a_0 cos^5 theta+a_1cos^4theta+a_2cos^3theta+a_3cos^2theta+a_4cos theta+a_5 then value of (a_1+a_3+a_5)=](https://d10lpgp6xz60nq.cloudfront.net/ss/web/183550.jpg)
If cos 5 theta= a_0 cos^5 theta+a_1cos^4theta+a_2cos^3theta+a_3cos^2theta+a_4cos theta+a_5 then value of (a_1+a_3+a_5)=
![to prove cos pi 5 cos 2 pi 5 cos 4 pi 5 cos 8 pi 5 1 16 please answer soon - Mathematics - TopperLearning.com | jhw7xbb to prove cos pi 5 cos 2 pi 5 cos 4 pi 5 cos 8 pi 5 1 16 please answer soon - Mathematics - TopperLearning.com | jhw7xbb](https://images.topperlearning.com/topper/tinymce/integration/showimage.php?formula=a395c02c365cc4e4c3e25c81d87fe353.png&d=0)