jika sec x = 1,5 maka sin² x =
Matematika
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Pertanyaan
jika sec x = 1,5 maka sin² x =
1 Jawaban
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1. Jawaban keruasriki
sec x = 1,5
1/cosx = 3/2
cos x = 2/3
sin^2x = 1 - cos^2x = 1 -(2/3)^2 = 1 - 4/9 = (9-4)/9 = 5/9
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