Помогите доказать тождество[tex] \frac{sin2 \alpha }{1+cos2 \alpha
} * \frac{cos \alpha }{1+cos \alpha} =tg \frac{ \alpha }{2} [/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.