Question

Which statements are true regarding the development of trigonometry? Check all that apply.

Ancient mathematicians used trigonometry to find angles of triangles.
Ancient mathematicians used trigonometry to track the position of the sun.
Tangent was the first trigonometric relationship used by mathematicians.
Cosine was the first trigonometric relationship used by mathematicians.
Sine was the first trigonometric relationship used by mathematicians.

Answer 1

2. Ancient mathematicians used trigonometry to track the position of the sun.

5. Sine was the first trigonometric relationship used by mathematicians.

Explanation:

Answer 2

Option 2 and 5 are Correct.

Explanation: