Докажите тождество
1) [tex] \frac{1 - cos ^{2}a + tg ^{2}a * cos^{2}a }{sin ^{2}a } = 2 [/tex]

2) [tex] \frac{ cos^{3}a + sin^{3}a }{cosa+sina} + cosa*sina=1[/tex]
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.