Soru:
28. sin 20° + sin40° - Cos40° + cos220° sin240° + sin?50° + sin 40° + cos40° Ifadesinin sonucu aşağıdakllerden hangisidir? A) Cos70° B) sin 70° C) tan70° D) cot70° E) 1
![28.
sin 20° + sin40° - Cos40° + cos220°
sin240° + sin?50° + sin 40° + cos40°
Ifadesinin sonucu aşağıdakllerden hangisidir?
A) Cos70°
B) sin 70°
C) tan70°
D) cot70°
E) 1](https://media.kunduz.com/media/question/seo/raw/20200611202354334464-870420_4fIGfrtE5.jpg?h=512)
28. sin 20° + sin40° - Cos40° + cos220° sin240° + sin?50° + sin 40° + cos40° Ifadesinin sonucu aşağıdakllerden hangisidir? A) Cos70° B) sin 70° C) tan70° D) cot70° E) 1