Page 45 - Revisi RPP PERBANDINGAN TRIGONOMETRI_MGMP MTK Kota Palu
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D. Rubrik Penilaian Pengayaan
PEDOMAN PENSKORAN
Soal Level
Uraian Jawaban/Kata Kunci Skor
No. Kognitif
= cot 25° ∙ cot (90° − 25°) ∙ cot 26° ∙ cot (90° − 26°) 3 L2
= cot 25° ∙ tan 25° ∙ cot 26° ∙ tan 26°
1. = 1 ∙ tan 25° ∙ 1 ∙ tan 26°
tan 25° tan 26°
= 1 ∙ 1
= 1
2 2 2 2 3 L2
Jarak titik R dari origin = + = 8 + 15 = 289 = 17
cot = α = 8
α 15
2. sec = = 17
α 8
cosec = = 17
α 15
3 L3
3. + + = 180°
+ = 180° −