Find the values of the following trigonometric ratios:
Given 
⇒ sin 1845° = 90° × 20 + 45°
1845° lies in the first quadrant in which the sine function is positive.
∴ sin 1845° = sin (90° × 20 + 45°)
= sin 45°
1
Find the values of the following trigonometric ratios:
Given
⇒ sin 1845° = 90° × 20 + 45°
1845° lies in the first quadrant in which the sine function is positive.
∴ sin 1845° = sin (90° × 20 + 45°)
= sin 45°