решите:
а) 1+sin a = 2cos²(45°- a/2)
b) 2sin²(45°- a) + sin 2a = 1
c) 1 - sin a = 2 sin²(45°- a/2)
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.