Trigonometri_Oke_1
Trigonometri_Oke_1
Trigonometri_Oke_1
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sin 1.000 oCara 1 :sin 1.000 osin [ (3• 360 o + 80 o ) ]sin [ 80 o ]sin 80 o .Cara 2 :sin 1.000 osin [ (3• 360 o + 80 o ) ]sin [ 80 o ] = sin (90 o - 10 o )cos 10 o .tan 2.000 oCara 1 :tan 2.000 otan [ (6• 360 o + 160 o ) ]- [ tan ( 160 o ) ]- [tan(180 o – 20 o )] = -[-tan 20 o ]tan 20 o .Cara 2 :tan 2.000 otan [ (6• 360 o + 160 o ) ]- tan ( 160 o ])-[tan (90 o + 70 o )] = -[-cot 70 o ]cot 70 o .Untuk b, c, d dan f dapat dikerjakan secara mandiri sebagai latihan !21 |Soekirno Elven, Buku saku matematika, <strong>Trigonometri</strong>http://oke.or.id
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