The product form of sin A + sin b formula is given as, sin A + sin B = 2 sin ½ (A + B) cos ½ (A - B), where A and B are any given angles.

As we learned, sine is one of the main trigonometric functions and is defined as the ratio of the side of the angle opposite the angle divided by the hypotenuse. It's important for finding distances or height and can also be used to find angle measures, which are measured in radians.

Explanation: For sin 44 degrees, the angle 44° lies between 0° and 90° (First Quadrant). Since sine function is positive in the first quadrant, thus sin 44° value = 0.6946583. . . Since the sine function is a periodic function, we can represent sin 44° as, sin 44 degrees = sin(44° + n × 360°), n ∈ Z.

The sine of an angle is the trigonometric ratio of the opposite side to the hypotenuse of a right triangle containing that angle. sine = length of the opposite to the angle length of the hypotenuse abbreviated as “sin”.