#1  (1-cos2a)/(1+cos2a)   +1 #2   tg15-ctg15=? #3   sin^2x+ 1/sin^2x , если sinx-1/sinx=-3 #4    2sina+3cosa/5sina-cosa    ,если ctga=-2            
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.