SoAL Ujian MAtematika 2 IPA Pb2Ganjil.docx - 1 Find the value of cos 36 wihout Calculator Carilah nilai dari cos 36 2 Find the value of trigonometry

# SoAL Ujian MAtematika 2 IPA Pb2Ganjil.docx - 1 Find the...

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1. Find the value of cos 36 wihout Calculator ? Carilah nilai dari cos 36 2. Find the value of trigonometry below : ( tentukan nilai trigonometri berikut ) a. Tan 165 + tan 225 b. Sin 15 + cos 15 c. -3 sin 105 . sin 15 d. sin 2 75 ° sin 2 15 ° 3. Prove sin 4 A = 3 8 1 2 cos2 A + 1 8 cos 4 A ? ( buktikan ) 4. When A=B+C=180, show that sin2A + sin 2B + sin 2C = 4 sinA sin B sin C ? 5. Find the value of ( carilah nilai dari ) sin( + ) , cos( + ) and tan ( + ) , given cos α = 12 13 , cotβ = 24 7 , in quadrant II and in quadrant III ? 6. Prove ( buktikan ) sin 4 A + sin 2 A cos4 A + cos2 A = tan 3 A 7. If two dice are thrown , what is the probability that one of them will come up less than five ? Jika dua dadu dilempar, berapa peluang salah satu muncul kurang dari 5 ?

Unformatted text preview: 8. Determine the probability of choosing a diamond or a face card from a deck of cards ? Tentukan peluang terpilihnya kartu wajik atau wajah dari sekelompok kartu ? 9. Three coins are tossed at once. Find the probability of: a. getting one tail b. getting three heads c. getting at least two tails Tiga uang logam dittos bersama 2 . Tentukan peluang dari : a. muncul satu gambar b. muncul tiga gambar c. muncul paling sedikit dua gambar 10. How many shakehand can be form from 10 person ? Berapa kali jabat tangan yang mungkin terjadi di antara 10 orang yang saling berjabatan tangan ? 1. 2. 3. s...
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