Question

class 8 question please answer

(sin x - sin y) (sin x + sin y)
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Answer 1

Step-by-step explanation:

$(\sin{x} - \sin{y})(\sin{x} + \sin{y}) = \sin^2{x} + \sin{x}\sin{y} - \sin{x}\sin{y} - \sin^2{y}$

$= \sin^2{x} - \sin^2{y}$