sin²6x-sin²4x=sin2x sin10x
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Answered by
15
:-(a²)-(b)²=(a-b) (a+b)
=(sin6x+sin4x) (sin6x-sin4x)
=(2sin6x+4x/2)cos6x-4x/2)..(2cos6x+4x/2) (sin6x-4x)
=(2sin5xcosx) (2cos5xsinx)
=(2sin5x.cos5x)(2sinxcosx)
=sin2xsin10x
hope this will help u
Answered by
1
Answer:
sin2x sin10x is your answer
Step-by-step explanation:
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