помогите решить 
1)1-(cos²[tex] \alpha [/tex] - sin²[tex] \alpha [/tex] ) =?
2)1-sin[tex] \alpha [/tex]cos[tex] \alpha [/tex]tg[tex] \alpha [/tex] =?
3) cos²[tex] \alpha [/tex]tg²[tex] \alpha [/tex] + 5cos²[tex] \alpha [/tex] - 1=?
4) sin[tex] \alpha [/tex] + 3sin²[tex] \alpha [/tex] + 3cos²[tex] \alpha [/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.