1 + cot^2x / cotx secx = ?
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            1 + cot^2x / cotx secx = ?
               
            
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
(1 + cot² x)/(cot x . sec x)
= cosec² x . tan x . cos x
= (1/(sin x . sin x)) . (sin x/cos x) . cos x
= 1/sin x
= cosec x