Sin^4A+Sin^2A×Cos^2A
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Answer:
Sin²A
Step-by-step explanation:
Sin⁴A+Sin²A×Cos²A
= (Sin²A)² + Sin²A×Cos²A
= Sin²A (Sin²A + Cos²A) (∵Sin²A + Cos²A = 1)
= Sin²A.
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