1.

Chebyshev polynomial can be expressed in trigonometric functions as:

A. T<sub>n</sub>(cos θ)=cos nθ
B. T<sub>n</sub>(sin θ)= sin nθ
C. T<sub>n</sub>(cos θ)=cos nθ.sin nθ
D. none of the mentioned
Answer» B. T<sub>n</sub>(sin ‚âà√≠‚Äö√†√®)= sin n‚âà√≠‚Äö√†√®


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