Find the value of sin²6x - sin²4x
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Answer:
Sins to 6 x minus sin to multiply
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Answer:
sin2x sin10x
Step-by-step explanation:
={2cos(6x+4x)/2.sin(6x-4x)/2}{2sin(6x+4x)/2.cos(6x-4x)/2}
={2cos5x.sinx}{2sin5x.cosx}
={2sin5x.cos5x}{2sinx.cosx}
Use the formula,
sin2A = 2sinA.cosA
= sin2(5x).sin2(x)
= sin10x.sin2x
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