buktikan identitas trigonometri berikut cos x. sec x = 1
Matematika
chand10011
Pertanyaan
buktikan identitas trigonometri berikut cos x. sec x = 1
2 Jawaban
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1. Jawaban dithakkamjong
cos x. sec x = 1
cos x . 1/cos x = 1
1 = 1 -
2. Jawaban dnnyz07
sec x = 1/cos x
Maka :
cos x . Sec x = 1
cos x . 1/cos x = 1
1/1 = 1
1 = 1
Terbukti.