1) дано cosα=0,6 ; 0 < α < 90  найдите  sin(  α+ 30)

2) дано sinα=√2\2 ; 0 <  α< 90  найдите cos(60 + α)

 

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.