Answered

Westonci.ca makes finding answers easy, with a community of experts ready to provide you with the information you seek. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.

prove that [tex]cos 9x-cos 5x/sin17x-sin3x=-sin2x/cos10x[/tex]

Sagot :

pepe11
cos9x - cos5x = -2sin2x.sin7x
sin17x - sin3x = 2sin7x.cos10x 
so f(x) = [tex] \frac{-2sin2x.sin7x}{2sin7x.cos10x} [/tex] =[tex] \frac{-sin2x}{cos10x} [/tex]

Thank you for trusting us with your questions. We're here to help you find accurate answers quickly and efficiently. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Discover more at Westonci.ca. Return for the latest expert answers and updates on various topics.