Sin^x(1+cot^x)+cos^x(1+tan^x)=2
Matematika
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Pertanyaan
Sin^x(1+cot^x)+cos^x(1+tan^x)=2
1 Jawaban
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1. Jawaban francescotb142
Sin x(1+cosx/sinx)+ cos x (1+sinx/cosx)
=sinx+cosx+cosx+sinx=2(sinx+cosx)