Вариант 2
1)Cos²b-cos²b*sin²b
2)sin4b+sin2b*cos2b
3)tg2b*ctg2b-sin2b
1)Cos²b-cos²b*sin²b
2)sin4b+sin2b*cos2b
3)tg2b*ctg2b-sin2b
More Questions From This User See All
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Применены тригонометрические формулы