True or false: the historical note

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   The study of trigonometry was first started in India.

2. Statement is true

   Yes

   Statement

   The sine function reached mathematics through the siddhantas.

3. Statement is true

   Yes

   Statement

   Trigonometry passed from India to Arabia and then to Europe.

4. Statement is true

   No

   Statement

   The Greeks never studied trigonometry at all.

5. Statement is true

   Yes

   Statement

   sin⁻¹ is also called the arc sine function.

Explanation