Jawab:
Trigonometri
sudut relasi
cos A = cos (k. 360 + a )
Penjelasan dengan langkah-langkah:
cos 7000 = cos { 19. 360 + 160 }
cos 7000 = cos 160
cos 7000 = cos (180 - 20)
cos 7000 = - cos 20
cos 7000 = - (0,9396)
cos 7000 = - 0,9396
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Verified answer
Jawab:
Trigonometri
sudut relasi
cos A = cos (k. 360 + a )
Penjelasan dengan langkah-langkah:
cos 7000 = cos { 19. 360 + 160 }
cos 7000 = cos 160
cos 7000 = cos (180 - 20)
cos 7000 = - cos 20
cos 7000 = - (0,9396)
cos 7000 = - 0,9396