Friday, November 22, 2024

Soal Ujian Akhir Sekolah Matematika SMA Kelas 12 nomor 9

9. Jika sudut ɑ dan β lancip, sin ɑ = 3/5 dan sin β = 7/25 maka cos (ɑ + β) adalah ...

a. 3/4

b. 5/3

c. 3/5

d. 4/5

e. 5/4


Jawaban :





No comments:

Post a Comment

Search This Blog

2023 AP CALCULUS BC EXPLANATION SECTION 1 PART B NO.81 - 85

81. A thin rectangular sheet of metal expands in a hot oven. At the instant when the width of the rectangular sheet of metal is 200 millimet...