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Math Drills
Solving triangles
Trigonometric ratios
Practice 1
Solving triangles
Trigonometric ratios
1 / 5
Standard
In the right triangle ABC, find sin A.
∠
C
=
90
∘
,
B
C
=
3
,
C
A
=
4
\angle C = 90^{\circ},\ BC = 3,\ CA = 4
∠
C
=
9
0
∘
,
B
C
=
3
,
C
A
=
4
1
4
5
\frac{4}{5}
5
4
2
3
4
\frac{3}{4}
4
3
3
3
5
\frac{3}{5}
5
3
4
5
3
\frac{5}{3}
3
5
Answer
