2. Show that dx sin (x) sin (a) =d8mn where m and n are both positive...

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2. Show that dx sin (x) sin (a) =d8mn where m and n are both positive integers. [Hint: Of help may be 2 sin A sin B = cos(AB)- cos(A + B). ] [2] 2. Show that dx sin (x) sin (a) =d8mn where m and n are both positive integers. [Hint: Of help may be 2 sin A sin B = cos(AB)- cos(A + B). ] [2]

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To show the given identity involving the product of sines we can use the hint provided 2 sinA sinB ... View the full answer