cos^2 0 - sin^2 0= ^= kuadrat a.1/2 b.-1/4 √7 c. 1/2 √7 d.1/4 √7
Matematika
Fikhrvy
Pertanyaan
cos^2 0 - sin^2 0=
^= kuadrat
a.1/2
b.-1/4 √7
c. 1/2 √7
d.1/4 √7
^= kuadrat
a.1/2
b.-1/4 √7
c. 1/2 √7
d.1/4 √7
1 Jawaban
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1. Jawaban Anonyme
cos² 0° - sin² 0°
= 1² - 0²
= 1