Bahan-GG-2
Bahan-GG-2
Bahan-GG-2
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Panjang Busur MeridianMultiple angle formulas :1 1sin 2 x = − cos 2x2 23 1sin 3 x = sin x − sin 3x4 43 1 1sin 4 x = − cos 2x+ cos 4x8 2 85 5 1sin 5 x = sin x − sin 3x+ sin 5x8 16 165 15 3 1sin 6 x = − cos 2x+ cos 4x− cos 6x16 32 16 32Soal : Tentukan pula7sinx8sinx9sin x ……. !