[tex]tg^{2}x - 2 \sqrt{3} tgx + 3cos^{2}x = - 3cos^{2}(x- \frac{pi}{2} )[/tex]
помогите, пожалуйста :)
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Copyright © 2024 SCHOLAR.TIPS - All rights reserved.