bantuin doooonggg
Matematika
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Pertanyaan
bantuin doooonggg
1 Jawaban
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1. Jawaban ronidegan
sin² α + sin² α cos² α + cos^4 α
= (1 - cos² α)+ (1 - cos² α) cos² α + cos^4 α
= 1 - cos² α + cos² α - cos^4 α + cos^4 α
= 1 . terbukti