Prove that:
sin^4A+sin^2A.cos^2A=sin^2A
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Answer:
Step-by-step explanation:
L.H.S = Sin^4A +Sin^2A*Cos^2A
=Sin^2A (Sin^2A + Cos^2A)
= Sin^2A proved
(since, Sin^2A +Cos^2A = 1 )
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