buktikan kalau 1-cos^2B/1+cos^2B = tan^2B

IDentitas TriGonoMetRi

(1 - cos² B)/(1 + cos² B)
= sin² B / (1 + cos² B)
tdk terbukti

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tan² B = sin² B / cos² B

Materi Trigonometri

Jawab :
(1 - cos^2 B)/(1 + cos^2 B)
= sin^2 B / (1 + cos^2 B) T¡dak terβμkti

Tan^2 B =sin^2 B / cos^2 B