👤

Sagot :

Bonjour,

[tex] \frac{97\pi}{3} = \frac{96\pi}{3} + \frac{\pi}{3} = 32\pi + \frac{\pi}{3} [/tex]

Donc :

[tex]sin \frac{97\pi}{3} = sin \: \frac{\pi}{3} = \frac{ \sqrt{3} }{2} [/tex]

[tex]cos \frac{97\pi}{3} = cos \frac{\pi}{3} = \frac{1}{2} [/tex]

© 2024 IDNLearn. All rights reserved.