1. Упростите выражения:
1) sin (-a+пи)
2) cos (пи-а)
3) sin (а+7пи)
4) cos (5пи - а)
2. Вычислите:
1) sin ((пи/4)+3пи)
2) cos ((пи/3)-8пи)
3) sin (9 и 5/6 пи)
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.