Buktikan identitas trigonometri berikut: [tex]\displaystyle \frac{1+\sin x-\cos x}{1+\sin x+\cos x}+\frac{1+\sin x+\cos x}{1+\sin x-\cos x}=2\csc x[/tex]
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Buktikan identitas trigonometri berikut:
[tex]\displaystyle \frac{1+\sin x-\cos x}{1+\sin x+\cos x}+\frac{1+\sin x+\cos x}{1+\sin x-\cos x}=2\csc x[/tex]
[tex]\displaystyle \frac{1+\sin x-\cos x}{1+\sin x+\cos x}+\frac{1+\sin x+\cos x}{1+\sin x-\cos x}=2\csc x[/tex]
