Answer:
Explanation:
⇒ sin (49°) = cos (90° - 49°) = cos (41°)
Sinus is a periodic trigonometric function, defined in the context of a right triangle as the ratio of the opposite leg to the hypotenuse.
Cosinus is a periodic trigonometric function, defined in the context of a right triangle as the ratio of the adjacent leg to the hypotenuse.