Sinxcosx (tanx+cotanx)=1
Matematika
r13k4smp
Pertanyaan
Sinxcosx (tanx+cotanx)=1
1 Jawaban
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1. Jawaban Anonyme
sin x cos x (tan x + cot x)
= sin x cos x (sin x/cos x + cos x/sin x)
= sin x cos x (sin² x + cos² x)/(sin x cos x
= sin² x + cos² x
= 1
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