А 15 m
12 m
B
a.
c.
sin A=
3
tan A =
59
4
4
5
sec A =
sin A=
3
tan A =
4'
sec A=
4
3
4
5
4
5
4
cos A =
3
cos A =
5, cot A=
3s csc A=
5, cot A =
32PCSC A =
b.
4
4
5
d.
sin A = 5, tan A = 3, sec A =
5
4
4
sin A =
31
tan A = 3, sec A =
3
3
3
3
3
cOS A =
5'
cot A =
4
CSC A =
4
5
COS A =
4
cot A =
4'
CSC A =