Expansion of COS N Theta and SIN N Theta in terms of cosines and sines of multiple of theta by using noor's triangle

• Main Authors: Muhammad, Noor, Khan, Hidayatullah, Sarmin, Nor Haniza, Zeb, Aurang
• Format: Article
• Published: Malaysian Mathematical Society 2013
• Subjects: Q Science
• Online Access: http://eprints.utm.my/id/eprint/40527/

In the present study we introduced a triangle, like Pascal's triangle, to obtain directly the coefficients in the expansion of θ n cos and θ sin in terms of cosines and sines of multiple of θ , where n is any positive integer. This type of expansion is given by Datta et al. in which they ha...