SinLcos(90°-L)+CosL.sin(90°-L=1
Matematika
Siddharthaulia5108
Pertanyaan
SinLcos(90°-L)+CosL.sin(90°-L=1
1 Jawaban
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1. Jawaban idznizhahrina
sinLcos(90-L)+cosLsin(90-L)
=sinL.sinL+cosL.cosL
=sin²L+cos²L
=1