Prove that: sin (C + D) ×sin (C-D) = sin2C - sin2D

1.	Prove that: sin (C + D) ×sin (C-D) = sin2C - sin2D
Answer» sin(C+D) sin(C-D) = sin²C– sin² D Trigonometric Ratiosis a branch of mathematics that deals with the relation between the angles and sides of a triangle.

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