The use of sine and cosine could give you the angle measuments of the triangle, along with the use of tangent. Not only could it give you the angle measurements but the lengths of the sides.
Answer:

Step-by-step explanation:

Answer:
use pythagorean theorem
Step-by-step explanation:
a^2+b^2=c^2
Answer:
we have"

Step-by-step explanation:
Tan theta =3
theta =tan invesre 3
arctan 3 = tan⁻¹ 3 = 71º 33' 54.184"