Jawab:
1
Penjelasan dengan langkah-langkah:
tan² α cos² α + cos² α
= cos² α (tan² α + 1)
= cos² α sec² α
= cos² α (1 / cos² α)
= 1
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Jawab:
1
Penjelasan dengan langkah-langkah:
tan² α cos² α + cos² α
= cos² α (tan² α + 1)
= cos² α sec² α
= cos² α (1 / cos² α)
= 1