sin6 + cos6 = 1− 3sin2 cos2
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Step-by-step explanation:
L.H.S=Sin6+cos6
=(sin2)3+(cos2)3. by using formula
= (sin2+cos2)3_3sin2cos2(sin2+cos2)
=(1)3_3sin2cos2(1)
= 1_3sin2cos2 =R.H.S
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Answer:
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