Bantu yaaaaaaaaaaaaaaahh​

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Bantu yaaaaaaaaaaaaaaahh​

Bantu yaaaaaaaaaaaaaaahh​

Jawaban:

-32

Penjelasan dengan langkah-langkah:

Π=180°

f(Π/4)= 32 sin² 4(Π/4) – 32 cos² 4(Π/4)

= 32 ( sin² 180° – cos² 180° )

= 32 ( 0² – (-1)²)

= 32 (-1)

= -32

mapel: matematika

kelas: 10

materi: trigonometri