Упростите выражения:

а)tg(П+а)*ctg(2П-а)+cos^2а

б)sin5acos2a-cos5asin2a/cos3a

в)cos100градусов/cos50 градусов+sin50 градусов-(cos^2 25 градусов-sin^2 25 градусов).
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.