August 2018 1 69 Report
Buktikan identitas trigonometri berikut.!sorry sbc
1.)(cotan x-cos x)/cotan x=cos² x/(1+sin² x)
2.)tan²x-sin²x=tan²xsin²x
3.)cos x/(1+sin x)=(1-sin x)/cos x
4.)1/(cosec x-cotan x)=cosec x + cotan x
Jangan rusuh mari belajar brsama2 yg gk bsa nnti tnya2 pda kolom perpesanan ada juga bentuk gambarx

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