In right triangle ABC, m2A= 30° and m2B = 90°. Which of the following are true?
1. sin(A)=sin(C)
II. sin(A) = cos(C)
III. cos(A) = cos(C)
IV. cos(A)=sin(C)
○ A.
III and IV
O B.
I and II
0 с.
II and IV
O D.
I and III