July 2022 2 17 Report

[tex]sin (\alpha-\beta) + cos \alpha\cdot sib\beta [/tex]

 

[tex]\frac{cos(\frac{\pi}{2}-t)\cdot ctg (-t)}{sin(\frac{\pi}{2}+t)}[/tex]

 

[tex]ctg(-t)\cdot sin t+ cos (\pi+t)[/tex]

 

Пожалуйста, распишите полное решение данных тригонометрических выражений. 

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