Page 44 - Revisi RPP PERBANDINGAN TRIGONOMETRI_MGMP MTK Kota Palu

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° −