a.
b.
A
sin A =
cos A=
sin A
=
cos A =
13 ft
5
13'
12
13'
13
12'
с
tan A =
cot A =
tan A=
13
, cot A =
5'
5 ft
B
12
13
5₁ sec A = 5
5
125
5
12'
12
59
csc A=
sec A
=
csc A=
13
12
5
13
13
C.
d.
sin A =
cos A
sin A
cos A
=
=
5
13'
12
13'
12
13'
5
13
tan A:
cot A =
tan A=
cot A =
5
12'
12
55
12
5'
sec A =
5
12'
csc.
sec A =
csc A =
13
12
13
-
5
13
12
13
5