evaluate-the-following-expression-manually-by-using-reference-angles-and-applyin-6

Question

Evaluate the following expression manually by using reference angles, and applying the rule of signs of trigonometric functions.

sin (- 210°)

Accepted Answer

1/2

Answer

√2

Answer

√3

Answer

2

Evaluate the following expression manually by using reference angles, and applying the rule of signs of trigonometric functions.sin (- 210°)