(Tan x + sec X) (tan x - sec x)
Matematika
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Pertanyaan
(Tan x + sec X) (tan x - sec x)
1 Jawaban
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1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
(tan x + sec x) (tan x - sec)
= tan² x - sec² x
= - (sec² x - tan² x)
= - 1