1. Razones
Trigonométricas
de ángulos
agudos
β
α
Antuanet Paredes Lujan
Sol Durand Rodríguez

2. β
α

3. Cos α =
2
β
Tg
2
α
2 )2 +X 2
4= 2 + X2
X2=
2
α=
2
2
Ctg α=
2
2 2= (
2/2
2
2
Sec α=
2/
2
Csc α=
2/
2

4. Cos α =
5
β
Tg
4
α
5 )2 +X 2
16= 5 + X2
X2=
α= 5
11
Ctg α= 11
11
4 2= (
11 /4
11
5
Sec α=
4/
11
Csc α=
4/
5

5. Sen α = 7/25
7
β
25
α
24
Cos α =24/25
Tg
α = 7/24
Ctg α=24/7
25 2= ( 24 )2 +X 2
625= 576 + X2
X2= 49
X=7
Csc α=25/7

6. Sen α = 4/5
3
β
5
α
4
Cos α =3/5
Sec α =5/3
Ctg α=3/4
X 2= 4
X2=
2
16+9
X2= 25
X=5
+3 2
Csc α=5/4

7. Cos α =
1
β
4
α
15
4 2= ( 1 )2 +X 2
16= 5 + X2
X2=
15
Tg
15 /4
α= 1
Ctg α= 15
Sec α=
4/
Csc α=
4/ 1
15
1
15

8. Sen α = 13 /
13
269
β
α
10
X 2 = 132 + 102
X2= 169 +100
X=
269
269
Cos α = 10
269
Tg α=
13 /10
Sec α=
269 /10
Csc α= 269 /13