Различия

Показаны различия между двумя версиями страницы.

--- math-public:trigformulytest3 [2018/04/04 23:58] – labreslav
+++ math-public:trigformulytest3 [2018/04/06 10:49] (текущий) – labreslav
@@ Строка 1: / Строка 1: @@
-$\DeclareMathOperator{\tg}{tg}$
+$\DeclareMathOperator{\tg}{tg}$ $\DeclareMathOperator{\ctg}{ctg}$
-$\DeclareMathOperator{\ctg}{ctg}$
+  - $\tg^2{x}+1$
+  - $\ctg^2{x}+1$
   - $2\sin{x}\cos{x}$
   - Три формулы $\cos^2{x}-\sin^2{x}$
@@ Строка 25: / Строка 25: @@
   - $\dfrac{1}{2}(\cos{(x-y)}-\cos{(x+y)})$
   - $\dfrac{1}{2}(\sin{(x-y)}+\sin{(x+y)})$
-  - $\tg^2{x}+1$
-  - $\ctg^2{x}+1$
-  - $\sin{(\pi-x)}$
-  - $\sin{(\pi+x)}$
-  - $\sin{\left(\dfrac{\pi}{2}-x\right)}$
-  - $\sin{\left(\dfrac{\pi}{2}+x\right)}$
-  - $\sin{\left(\dfrac{3\pi}{2}-x\right)}$
-  - $\sin{\left(\dfrac{3\pi}{2}+x\right)}$
-  - $\sin{(-x)}$
-  - $\cos{(\pi-x)}$
-  - $\cos{(\pi+x)}$
-  - $\cos{\left(\dfrac{\pi}{2}-x\right)}$
-  - $\cos{\left(\dfrac{\pi}{2}+x\right)}$
-  - $\cos{\left(\dfrac{3\pi}{2}-x\right)}$
-  - $\cos{\left(\dfrac{3\pi}{2}+x\right)}$
-  - $\cos{(-x)}$
-  - $\tg{(\pi-x)}$
-  - $\tg{(\pi+x)}$
-  - $\tg{\left(\dfrac{\pi}{2}-x\right)}$
-  - $\tg{\left(\dfrac{\pi}{2}+x\right)}$
-  - $\tg{\left(\dfrac{3\pi}{2}-x\right)}$
-  - $\tg{\left(\dfrac{3\pi}{2}+x\right)}$
-  - $\tg{(-x)}$
-  - $\ctg{(\pi-x)}$
-  - $\ctg{(\pi+x)}$
-  - $\ctg{\left(\dfrac{\pi}{2}-x\right)}$
-  - $\ctg{\left(\dfrac{\pi}{2}+x\right)}$
-  - $\ctg{\left(\dfrac{3\pi}{2}-x\right)}$
-  - $\ctg{\left(\dfrac{3\pi}{2}+x\right)}$
-  - $\ctg{(-x)}$