Images TG 1 SIN

< Previous photo
Photo - 86
Next photo >
Tg 1 sin. Tg10 tg20+tg20 TG 60+tg60 tg10. Tg20 tg40 tg60 tg80. TG X*TG(60˚-X)*TG (60˚+X)=TG(3x). Tg30+tg40+tg50+tg60 8cos20/3.
Tg10 tg20+tg20 TG 60+tg60 tg10. Tg20 tg40 tg60 tg80. TG X*TG(60˚-X)*TG (60˚+X)=TG(3x). Tg30+tg40+tg50+tg60 8cos20/3.

See also